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INDEX

o-Dihydroxybenzenes  see Catechols
Oak, Poison  see Toxicodendron
Oath, Hippocratic  see Hippocratic Oath
Oats  see Avena sativa
Mesh BrowserObesity  WD 210-212 
In diabetes see Diabetes Complications  WK 835
See also Appetite Depressants
See also Bariatrics
See also Body Weight
See also Diet, Reducing
See also Lipectomy
See also Skinfold Thickness
Mesh BrowserObesity, Morbid  WD 210-212 
See also Gastric Bypass
See also Gastroplasty
See also Jejunoileal Bypass
Mesh BrowserObject Attachment  WM 460.5.O2 
Object Relations  see Object Attachment
Object Relationship  see Object Attachment
Obligation, Social  see Social Responsibility
Mesh BrowserObservation
In specific topics, by subject
As a scientific method in research (Form number 20 or 20.5 in any NLM schedule where applicable)
Obsessions  see Obsessive Behavior
Mesh BrowserObsessive Behavior  WM 176 
Mesh BrowserObsessive-Compulsive Disorder  WM 176 
Obsessive-Compulsive Personality  see Compulsive Personality Disorder
Obstetric Delivery  see Delivery, Obstetric
Obstetric Labor  see Labor, Obstetric
Mesh BrowserObstetric Labor Complications
General  WQ 330
See also name of part injured, e.g., Perineum  WP 170
See also names of specific complication, e.g., Postpartum Hemorrhage  WQ 330
Mesh BrowserObstetric Labor, Premature
General  WQ 330
See also Infant, Premature  WS 410
See also Premature Birth
See also Tocolytic Agents
Mesh BrowserObstetric Surgical Procedures  WQ 400-450 
See also Obstetrics
Mesh BrowserObstetrical Forceps  WQ 425 
Mesh BrowserObstetrical Nursing  WY 157 
Education  WY 18-18.5
See also Maternal-Child Nursing  WY 157.3
See also Neonatal Nursing  WY 157.3
See also Postnatal Care  WQ 500
Mesh BrowserObstetrics  WQ 
General  WQ 100
Anesthesia see Anesthesia, Obstetrical  WO 450
Biography
Collective WZ 112.5.O2
Individual WZ 100
Cardiac problems  WQ 244
Directories  WQ 22
Nursing see Obstetrical Nursing  WY 157, etc.
Urology  WJ 190
Complications WQ 260
Veterinary SF 887
See also Obstetric Surgical Procedures  WQ 400-450
See also Pregnancy Complications  WQ 240-260, etc.
Mesh BrowserObstetrics and Gynecology Department, Hospital  WQ 27-28 
Obstructive Hydrocephalus  see Hydrocephalus
Obturators, Palatal  see Palatal Obturators
Occipital Encephalocele  see Encephalocele
Mesh BrowserOccipital Lobe  WL 307 
Occipital Region Trauma  see Craniocerebral Trauma
Mesh BrowserOcclusal Adjustment  WU 440 
Occlusal Equilibration  see Occlusal Adjustment
Occlusal Force  see Bite Force
Occlusal Guidance  see Dental Occlusion
Occlusal Plane  see Dental Occlusion
Occlusal Wear, Restoration  see Dental Restoration Wear
Mesh BrowserOcclusive Dressings  WO 167 
Mesh BrowserOccult Blood  QY 160 
See also Melena
Occult Primary Neoplasms  see Neoplasms, Unknown Primary
Mesh BrowserOccultism
Medical superstitions  WZ 309
Occupational Accidents  see Accidents, Occupational
Occupational Air Pollutants  see Air Pollutants, Occupational
Mesh BrowserOccupational Dentistry  WA 412 
Occupational Dermatitis  see Dermatitis, Occupational
Mesh BrowserOccupational Diseases  WA 400-495 
Medicolegal aspects  W 925
Mental disorders (General)  WA 495
Nursing see Occupational Health Nursing  WY 141
Ophthalmological  WW 505
Prevention & control  WA 440-475
Workers' Compensation HD 7103.6-7103.65, etc.
See also Accidents, Occupational  WA 485-491, etc.
See also Disability Evaluation  W 925, etc.
Mesh BrowserOccupational Exposure  WA 400-495 
See also Air Pollutants, Occupational
See also Environmental Exposure
See also Multiple Chemical Sensitivity
Mesh BrowserOccupational Health  WA 400-495 
Of women  WA 491
Special topics, by subject
Mesh BrowserOccupational Health Nursing  WY 141 
Education  WY 18-18.5
Mesh BrowserOccupational Health Services  WA 412 
Mental health  WA 495
See also Mental Health Services WM 30, etc.
Occupational Hygiene  see Occupational Health
Mesh BrowserOccupational Injuries
General  WA 485-487
See also Accidents, Occupational
Mesh BrowserOccupational Medicine  WA 400-495 
See also Occupational Diseases
See also Occupational Health Services
See also Protective Devices
Occupational Noise  see Noise, Occupational
Occupational Nursing  see Occupational Health Nursing
Occupational Safety  see Occupational Health
Mesh BrowserOccupational Therapy  WB 555 
Hospital department  WX 225
In psychotherapy  WM 450.5.O2
See also Rehabilitation, Vocational HD 7255-7256
Mesh BrowserOccupational Therapy Department, Hospital  WX 225 
Mesh BrowserOccupations
Statistics and demographic discussions HB 2581-2787
Specific occupations, by type, e.g., Surgery  WO 21
See also Health Occupations
See also Vocational Guidance HF 5381-5382.67, etc.
Ocean Dolphins  see Dolphins
Mesh BrowserOceanic Ancestry Group
See special topics under Ethnic Groups
Mesh BrowserOceanography GC
General works GC 10.9-11.2
As a profession GC 30.5
See also Marine Biology
See also Oceans and Seas
See also Submarine Medicine
Mesh BrowserOceans and Seas
General works GC 10.9-11.2
Balneology  WB 525
See also Seawater
Ocelots  see Felidae
Ochotona  see Lagomorpha
Mesh BrowserOchratoxins  QW 630.5.M9 
Mesh BrowserOchronosis  WR 267 
Octogenarian  see Aged, 80 and over
Octogenarians  see Aged, 80 and over
Ocular Accommodation  see Accommodation, Ocular
Ocular Adaptation  see Adaptation, Ocular
Ocular Fixation  see Fixation, Ocular
Ocular Fluorophotometry  see Fluorophotometry
Ocular Herpes zoster Virus  see Herpesvirus 3, Human
Ocular Infections, Parasitic  see Eye Infections, Parasitic
Ocular Infections, Viral  see Eye Infections, Viral
Ocular Motility  see Eye Movements
Mesh BrowserOcular Motility Disorders  WW 410 
Mesh BrowserOcular Physiological Phenomena  WW 103 
Ocular Physiology  see Ocular Physiological Phenomena
Ocular Prosthesis  see Eye, Artificial
Ocular Refraction  see Refraction, Ocular
Ocular Tension  see Intraocular Pressure
Ocular Torticollis  see Ocular Motility Disorders
Ocular Toxoplasmosis  see Toxoplasmosis, Ocular
Ocular Tuberculosis  see Tuberculosis, Ocular
Mesh BrowserOculomotor Muscles  WW 400-460 
See also Eye Movements  WW 400-460
Mesh BrowserOculomotor Nerve  WL 330 
Oculomotor Paralysis  see Ophthalmoplegia
Oculopharyngeal Spinal Muscular Atrophy  see Muscular Atrophy, Spinal
Ocytocin  see Oxytocin
Oddi's Sphincter  see Sphincter of Oddi
Odontalgia  see Toothache
Mesh BrowserOdontoblasts  WU 230 
See also Dentin
Mesh BrowserOdontogenic Cysts  WU 280 
Mesh BrowserOdontogenic Tumors  WU 280 
Pathology of dental tissue  QZ 200
Odontome  see Tooth Abnormalities
Mesh BrowserOdontometry  WU 141.5.O2 
Mesh BrowserOdors
Industrial control  WA 450
Otolaryngology  WV 301
Pollution  WA 754
See also Aromatherapy
See also Smell
Mesh BrowserOedipus Complex  WM 460 
Oesophagus  see Esophagus
Oestradiol  see Estradiol
Offenses, Sexual  see Sex Offenses
Mesh BrowserOffice Automation  W 26.5 
In special areas, by subject
Mesh BrowserOffice Management  W 80 
Dental see Practice Management, Dental  WU 77-79
See also Dental Offices WU 77
See also names of specialties involved, e.g., Psychiatry
See also Practice Management, Medical  W 80
Mesh BrowserOffice Nursing  WY 109 
Office Surgery  see Ambulatory Surgical Procedures
Mesh BrowserOffice Visits
Made for special purpose, by subject
Offspring, Adult  see Adult Children
Offspring of Impaired Parents  see Child of Impaired Parents
Mesh BrowserOfloxacin  QV 250 
Mesh BrowserOils
As dosage form  QV 786.5.O4
Biochemistry  QU 86
Public health aspects  WA 722
See also names of specific oils
Oils, Essential  see Oils, Volatile
Oils, Plant  see Plant Oils
Oils, Unsaturated  see Fats, Unsaturated
Oils, Vegetable  see Plant Oils
Mesh BrowserOils, Volatile
As dosage form  QV 786.5.O4
Biochemistry  QU 86
See also Aromatherapy
Mesh BrowserOintments  QV 786.5.O5 
OK-432  see Picibanil
Oka Varicella Vaccine  see Chickenpox Vaccine
Old Age  see Aged
Mesh BrowserOld Age Assistance  WT 30 
Social Security HD 7105.3-.35.A-Z
Old Age Homes  see Homes for the Aged
Oldest Old  see Aged, 80 and over
Olefins  see Alkenes
Oleomargarine  see Margarine
Olfaction  see Smell
Mesh BrowserOlfaction Disorders  WV 301 
Olfactory Cortex  see Olfactory Pathways
Olfactory Epithelium  see Olfactory Mucosa
Mesh BrowserOlfactory Mucosa  WV 301 
Mesh BrowserOlfactory Nerve  WL 330 
See also Smell  WV 301
Mesh BrowserOlfactory Pathways  WL 314 
Olfactory Sense  see Smell
Olfactory Tract  see Olfactory Pathways
Olfactory Tubercle  see Olfactory Pathways
Oligoastrocytoma, Mixed  see Astrocytoma
Mesh BrowserOligochaeta  QX 451 
Oligogenic Inheritance  see Multifactorial Inheritance
Mesh BrowserOligomenorrhea  WP 522 
See also Amenorrhea
Mesh BrowserOligonucleotide Array Sequence Analysis  QU 57 
Special topics, by subject
See also Combinatorial Chemistry Techniques
See also Gene Expression Profiling
Oligonucleotide Arrays  see Oligonucleotide Array Sequence Analysis
Oligonucleotide-Directed Mutagenesis  see Mutagenesis, Site-Directed
Mesh BrowserOligonucleotides  QU 57 
Mesh BrowserOligonucleotides, Antisense  QU 57 
Mesh BrowserOligopeptides  QU 68 
Mesh BrowserOligoribonucleotides  QU 57 
Mesh BrowserOligosaccharides  QU 83 
Omega-3 Fatty Acids  see Fatty Acids, Omega-3
Mesh Browseromega-Chloroacetophenone  QV 665 
Omental Bursa  see Peritoneal Cavity
Mesh BrowserOmentum  WI 575 
Mesh BrowserOmeprazole  QV 69 
Omnopon  see Opium
OMP Proteins  see Bacterial Outer Membrane Proteins
Omphalocele  see Hernia, Umbilical
Omsk hemorrhagic fever virus  see Encephalitis Viruses, Tick-Borne
On-Line Systems  see Online Systems
Mesh BrowserOnchocerca  QX 301 
Mesh BrowserOnchocerciasis  WC 885 
Mesh BrowserOnchocerciasis, Ocular  WW 160 
Oncogene Products  see Oncogene Proteins
Mesh BrowserOncogene Proteins  QZ 202 
Mesh BrowserOncogenes  QZ 202 
Mesh BrowserOncogenic Viruses  QW 166 
See also Tumor Virus Infections
Oncogens  see Carcinogens
Mesh BrowserOncologic Nursing  WY 156 
Oncology, Medical  see Medical Oncology
Mesh BrowserOncology Service, Hospital  QZ 23-24 
Oncoproteins  see Oncogene Proteins
Oncornaviruses  see Retroviridae
Oncovirinae  see Retroviridae
Oncoviruses  see Retroviridae
Oncoviruses, Type C  see Retroviridae
Ondatra  see Arvicolinae
One-Parent Family  see Single-Parent Family
Mesh BrowserOnions
As medicinal plants  QV 766-770
Botany QK 495.L72
Dietary use in health and disease  WB 430
Onlays  see Inlays
Mesh BrowserOnline Systems Z 699
By subject Z 699.5.A-Z
In medicine (General)  W 26.55.I4
In other special fields (Form number 26.5 in any NLM schedule where applicable)
Mesh BrowserOnly Child  WS 105.5.F2 
Ontogeny  see Developmental Biology
Mesh BrowserOnychomycosis  WR 475 
Onychophagia  see Nail Biting
Mesh BrowserOocytes  WQ 205 
Oophorectomy  see Ovariectomy
Mesh BrowserOophoritis  WP 320 
Opacity, Vitreous  see Vitreous Body
Opaque Media  see Contrast Media
Open Access to Information  see Access to Information
Open-Angle Glaucoma  see Glaucoma, Open-Angle
Mesh BrowserOpen Bite  WU 440 
Open Fractures  see Fractures, Open
Mesh BrowserOperating Room Nursing  WY 162 
Education  WY 18-18.5
Mesh BrowserOperating Room Technicians  WY 162 
Mesh BrowserOperating Rooms  WX 200 
Architectural planning and construction  WX 140
Operation Desert Storm  see Gulf War
Operative Dentistry  see Dentistry, Operative
Ophthalmia  see Endophthalmitis
Mesh BrowserOphthalmia, Sympathetic  WW 525 
Mesh BrowserOphthalmic Artery  WG 595.O7 
See also blood supply under Eye  WW 101-103
Mesh BrowserOphthalmic Assistants  WW 21.5 
Mesh BrowserOphthalmic Nerve  WL 330 
Mesh BrowserOphthalmic Solutions  WW 166 
Mesh BrowserOphthalmologic Surgical Procedures
General  WW 168
Infant or child  WW 168
Of a particular disorder, with the disorder
See also Ophthalmology
Ophthalmologists  see Ophthalmology
Mesh BrowserOphthalmology  WW 
Aged  WW 620
Autobiography
If chiefly autobiographical WZ 100
Special topics by subject
Biography
Collective WZ 112.5.O7
Individual WZ 100
Directories  WW 22
Infant or child  WW 600
Instrumentation  WW 26
Occupational  WW 505
Traumatic see Eye Injuries  WW 525
See also Eye Diseases  WW 140, etc.
See also Ophthalmologic Surgical Procedures  WW 168
See also Orthoptics  WW 405
See also Vision, Ocular
Ophthalmopathy, Infiltrative  see Graves Ophthalmopathy
Ophthalmopathy, Thyroid-Associated  see Graves Ophthalmopathy
Mesh BrowserOphthalmoplegia  WW 410 
Ophthalmoplegia, Progressive Supranuclear  see Supranuclear Palsy, Progressive
Ophthalmoplegia, Supraoptic Vertical  see Niemann-Pick Diseases
Mesh BrowserOphthalmoscopes  WW 26 
Mesh BrowserOphthalmoscopy  WW 143 
Veterinary SF 891
Opiate Addiction  see Opioid-Related Disorders
Opiate Dependence  see Opioid-Related Disorders
Opiates, Endogenous  see Opioid Peptides
Opioid Analgesics  see Analgesics, Opioid
Opioid Antagonists  see Narcotic Antagonists
Mesh BrowserOpioid Peptides
Biochemistry  QU 68
Pharmacology  QV 126
Mesh BrowserOpioid-Related Disorders  WM 284 
See also names of specific narcotics
Opioids  see Analgesics, Opioid
Mesh BrowserOpisthorchiasis  WC 805 
Mesh BrowserOpisthorchis  QX 353 
Opisthorchis felineus  see Opisthorchis
Opisthorchis sinensis  see Clonorchis sinensis
Opisthorchis viverrini  see Opisthorchis
Mesh BrowserOpium
Alkaloids  QV 90
Dependence  WM 286
See also Heroin Dependence WM 288
Morphine Dependence  WM 286
Mesh BrowserOpossums QL 737.M34
Oppenheim Disease  see Neuromuscular Diseases
Oppenheim-Ziehen Disease  see Dystonia Musculorum Deformans
Oppenheim's Disease  see Neuromuscular Diseases
Mesh BrowserOpportunistic Infections
General  WC 195
Parasitic  WC 695
Viral  WC 500
Opportunistic Infections, AIDS-Related  see AIDS-Related Opportunistic Infections
Opportunistic Infections, HIV-Related  see AIDS-Related Opportunistic Infections
Oppositional Defiant Disorder  see Attention Deficit and Disruptive Behavior Disorders
Opsoclonus  see Ocular Motility Disorders
Mesh BrowserOpsonin Proteins
Antibodies  QW 601
Clinical analysis  QY 455
Derived from complement  QW 680
See also Phagocytosis  QW 690
Opsonins  see Opsonin Proteins
Mesh BrowserOptic Atrophy  WW 280 
Mesh BrowserOptic Chiasm  WW 280 
Mesh BrowserOptic Disk  WW 280 
Optic Disk Disorders  see Optic Nerve Diseases
Optic Disk Edema  see Papilledema
Optic Lobe, Human  see Superior Colliculi
Optic Lobe, Mammalian  see Superior Colliculi
Mesh BrowserOptic Nerve  WW 280 
See also innervation under Eye
See also Vision, Ocular
Mesh BrowserOptic Nerve Diseases  WW 280 
Optic Nerve Head  see Optic Disk
Optic Nerve Ischemia  see Optic Neuropathy, Ischemic
Mesh BrowserOptic Nerve Neoplasms  WW 280 
Optic Nerve Sheath Tumors  see Optic Nerve Neoplasms
Mesh BrowserOptic Neuritis  WW 280 
See also Neuritis
Optic Neuropathy  see Optic Nerve Diseases
Mesh BrowserOptic Neuropathy, Ischemic  WW 280 
Optic Papilla  see Optic Disk
Optic Papilla Edema  see Papilledema
Optic Tectum  see Superior Colliculi
Optic Tract  see Visual Pathways
Optical Concepts  see Optical Phenomena
Optical Dispensing  see Optometry
Mesh BrowserOptical Fibers
General works QC 447.9-448.2
Used in biomedical engineering  QT 36
Used In endoscopy  WB 141
Used in specific types of endoscopy, with the specific type
See also Fiber Optic Technology
Mesh BrowserOptical Illusions  WW 105 
Mesh BrowserOptical Imaging  WN 195 
Mesh BrowserOptical Phenomena
General QC 350-467
See also Lenses
See also Vision, Ocular
Optical Readers  see Automatic Data Processing
Mesh BrowserOptical Rotatory Dispersion
Physical chemistry QD 473
Opticians  see Optometry
Mesh BrowserOptics and Photonics
General QC 350-467
As a profession QC 29
See also Optical Phenomena
Optometrists  see Optometry
Mesh BrowserOptometry  WW 704-722 
Autobiography
If chiefly autobiographical WZ 100
Special topics, by subject
Biography
Collective WZ 112.5.O7
Individual WZ 100
Directories  WW 722
Instrumentation  WW 26
Optical dispensing  WW 350-355
Opticianry  WW 350-358
Opticians  WW 704-722
See also names of functions of the optometrist, e.g., Orthoptics  WW 405
Oral Cancer  see Mouth Neoplasms
Oral Cavity  see Mouth
Oral Character  see Psychoanalytic Theory
Oral Examination  see Diagnosis, Oral
Mesh BrowserOral Fistula
General works for the dentist  WU 140
General works for the gastroenterologist  WI 200
Mesh BrowserOral Health
General  WU 113
Infant or child  WU 113.6
Nutritional aspects  WU 113.7
See also Dental Clinics  WU 27-28
See also Dental Health Surveys  WU 30
See also Diagnosis, Oral  WU 141
See also Mouth Diseases
See also Mouth Rehabilitation  WU 140, etc.
Mesh BrowserOral Hemorrhage  WU 140 
Mesh BrowserOral Hygiene  WU 113 
Infant or child  WU 113.6
See also Toothbrushing
Mesh BrowserOral Hygiene Index  WU 30 
Mesh BrowserOral Manifestations  WU 290 
Of particular diseases, with the disease
Mesh BrowserOral Medicine  WU 140 
See also Dentistry
See also Mouth Diseases
See also Oral Manifestations
Oral Mucosa  see Mouth Mucosa
Oral Mucositis  see Stomatitis
Oral Myotherapy  see Myofunctional Therapy
Oral Neoplasms  see Mouth Neoplasms
Oral Rehydration Therapy  see Fluid Therapy
Oral Sex  see Sexual Behavior
Oral Surgery  see Surgery, Oral
Mesh BrowserOral Surgical Procedures  WU 600-640 
Atlases  WU 600.7
Cardiac patients  WG 460
Infant or child  WU 480
See also Surgery, Oral  WU 600-640, etc.
Mesh BrowserOral Surgical Procedures, Preprosthetic  WU 500 
Oral Tobacco  see Tobacco, Smokeless
Mesh BrowserOral Ulcer  WU 140 
See also Gingivitis, Necrotizing Ulcerative
See also Stomatitis, Aphthous
Orange Tree, Bitter  see Citrus
Orange Tree, Mandarin  see Citrus
Orange Tree, Seville  see Citrus
Orange Tree, Sour  see Citrus
Orangutan  see Pongo pygmaeus
Orangutan, Bornean  see Pongo pygmaeus
Mesh BrowserOrbit  WW 202 
Mesh BrowserOrbital Diseases  WW 202 
Mesh BrowserOrbital Implants  WW 358 
See also Eye, Artificial
Mesh BrowserOrbital Neoplasms  WW 202 
See also Eye Neoplasms
Orchidectomy  see Orchiectomy
Mesh BrowserOrchiectomy  WJ 868 
Mesh BrowserOrchitis  WJ 830 
Order Entry Systems, Medical  see Medical Order Entry Systems
Orderlies  see Personnel, Hospital
Ordiflazine  see Lidoflazine
Orf  see Ecthyma, Contagious
Organ Donors  see Tissue Donors
Organ Dysfunction Syndrome, Multiple  see Multiple Organ Failure
Organ Failure, Multiple  see Multiple Organ Failure
Organ Grafts  see Transplants
Organ Harvesting  see Tissue and Organ Harvesting
Mesh BrowserOrgan of Corti  WV 250 
Mesh BrowserOrgan Preservation  WO 665 
Of specific organs, with the organ
See also Tissue and Organ Harvesting
Organ Procurement  see Tissue and Organ Procurement
Organ Procurement Systems  see Tissue and Organ Procurement
Organ regeneration  see Regeneration
Organ Retrieval  see Tissue and Organ Harvesting
Mesh BrowserOrgan Specificity  QW 700 
Special topics, by subject
Organ Temperature  see Body Temperature
Mesh BrowserOrgan Transplantation  WO 660-690 
See also Transplantation Immunology
Organ Transplants  see Transplants
Mesh BrowserOrganelles  QU 350 
Organic Brain Syndrome, Nonpsychotic  see Delirium, Dementia, Amnestic, Cognitive Disorders
Mesh BrowserOrganic Chemicals
Chemistry, Organic QD 241-441
Organic Chemistry Concepts  see Organic Chemistry Phenomena
Mesh BrowserOrganic Chemistry Phenomena
General QD 241-441
Organic Mental Disorders  see Delirium, Dementia, Amnestic, Cognitive Disorders
Organic Mental Disorders, Psychotic  see Delirium, Dementia, Amnestic, Cognitive Disorders
Organic Mental Disorders, Substance-Induced  see Substance-Related Disorders
Organic Poisons  see Poisons
Mesh BrowserOrganisms, Genetically Modified QH 442.6
See also Food, Genetically Modified
See also Genetic Engineering
Organisms, Transgenic  see Organisms, Genetically Modified
Mesh BrowserOrganization and Administration
Health services see Health Services Administration  W 84, etc.
Hospital personnel see Personnel Administration, Hospital  WX 159-159.5
Hospital see Hospital Administration  WX 150-190
Library see Library Administration Z 678-678.88
Medicine  W 88
Nursing  WY 105
Nursing schools  WY 20
Pharmacy see Pharmacy Administration  QV 737
Psychiatry  WM 30.2
Public health see Public Health Administration  WA 525-590
Organization and Administration, Hospital  see Hospital Administration
Organizational Change  see Organizational Innovation
Organizational Decision Making  see Decision Making, Organizational
Organizational Ethics  see Ethics, Institutional
Mesh BrowserOrganizational Innovation
Hospital Administration  WX 150-190
Nursing Service  WY 105
Public Health Administration  WA 525-590
Specific types of organization, by organization
Mesh BrowserOrganizations
General HM 711
History (Form number 1 in any NLM schedule where applicable)
Immunological  QW 501
Pharmaceutical  QV 701
See also names of specialties
See also names of specific types of organizations, e.g., Voluntary Health Agencies
(Form number 1 in any NLM schedule where applicable)
See also Societies
Mesh BrowserOrganizations, Nonprofit
Non-medical HD 2769.15-2769.2
(Form number 1 in any NLM schedule where applicable)
Mesh BrowserOrganogenesis
General biology QH 491
Human embryology  QS 604
Localized by site
Mesh BrowserOrganoids
General  QT 37
Technique used for creation  QT 25
Of particular organ, with the organ
Mesh BrowserOrganometallic Compounds
Biochemistry  QU 131
Organic chemistry QD 410-412.5
Pharmacology  QV 290
Organophosphate Insecticide Antagonists  see Cholinesterase Reactivators
Mesh BrowserOrganophosphate Poisoning  QV 627 
Mesh BrowserOrganophosphonates  QU 131 
Mesh BrowserOrganophosphorus Compounds
Biochemistry  QU 131
Organic chemistry QD 406
As pesticides  WA 240
See also Cholinesterase Inhibitors
See also Cholinesterase Reactivators
See also Organophosphate Poisoning
Mesh BrowserOrganoplatinum Compounds
Pharmacology  QV 290
Mesh BrowserOrganotherapy  WB 391 
Organothiophosphate Insecticide Antagonists  see Cholinesterase Reactivators
Mesh BrowserOrganothiophosphorus Compounds
As pesticides  WA 240
Toxicology  QV 627
See also Cholinesterase Inhibitors
See also Cholinesterase Reactivators
Organum Vasculosum Laminae Terminalis  see Hypothalamus
Mesh BrowserOrgasm HQ 19-25
Orgasmic Disorder  see Sexual Dysfunctions, Psychological
Oriental Medicine, Traditional  see Medicine, East Asian Traditional
Oriental Sore  see Leishmaniasis, Cutaneous
Mesh BrowserOrientation
Animal QL 782.5
Aviation  WD 730
Bird navigation and migration QL 698.8-698.9
Outer space  WD 754
Psychophysiology  WL 103
Reflex  WL 106
Spatial  WV 255
Visual see Adaptation, Ocular  WW 109
See also Adaptation, Psychological  WD 730, etc.
Orientation Programs, Employee  see Inservice Training
Origin of Life  see Biogenesis
Ormond Disease  see Retroperitoneal Fibrosis
Ormond's Disease  see Retroperitoneal Fibrosis
Mesh BrowserOrnithine  QU 60 
Ornithine Carboxy-lyase  see Ornithine Decarboxylase
Mesh BrowserOrnithine Decarboxylase  QU 139 
Ornithosis  see Psittacosis
Orofacial Dyskinesia  see Movement Disorders
Orofacial Pain  see Facial Pain
Mesh BrowserOrosomucoid  WH 400 
Clinical examination  QY 455
Mesh BrowserOrotic Acid
Biochemistry  QU 58
Pharmacology  QV 185
Oroya Fever  see Bartonella Infections
Orphan Diseases  see Rare Diseases
Mesh BrowserOrphan Drug Production  QV 736 
Mesh BrowserOrphanages HV 959-1420.5
See also Child, Orphaned  WA 320
Orphans  see Child, Orphaned
ortho-Dihydroxybenzenes  see Catechols
Orthodontia  see Orthodontics
Orthodontic Adhesives  see Dental Cements
Mesh BrowserOrthodontic Appliances  WU 426 
See also Dental Bonding
Orthodontic Appliances, Activator  see Activator Appliances
Mesh BrowserOrthodontic Extrusion  WU 400 
Mesh BrowserOrthodontic Wires  WU 426 
Mesh BrowserOrthodontics  WU 400-440 
Malocclusion  WU 440
See also Dental Occlusion  WU 440
Mesh BrowserOrthodontics, Corrective  WU 400-440 
See also Malocclusion
Mesh BrowserOrthodontics, Preventive  WU 400 
Mesh BrowserOrthognathic Surgery
General  WU 600
For specific diseases or abnormalities, with the disease
Mesh BrowserOrthognathic Surgical Procedures  WU 600 
Mesh BrowserOrthomolecular Therapy  WB 330 
In psychiatry  WM 402
Mesh BrowserOrthomyxoviridae  QW 168.5.O7 
Mesh BrowserOrthomyxoviridae Infections  WC 512 
Orthomyxovirus Infections  see Orthomyxoviridae Infections
Orthomyxovirus Type A  see Influenza A virus
Orthomyxovirus Type A, Avian  see Influenza A virus
Orthomyxovirus Type A, Human  see Influenza A virus
Orthomyxovirus Type A, Porcine  see Influenza A virus
Orthopantomography  see Radiography, Panoramic
Mesh BrowserOrthopedic Equipment  WE 26 
See also specific types of equipment, e.g., Bone Plates  WE 185
See also Prostheses and Implants  WE 172, etc.
Mesh BrowserOrthopedic Fixation Devices  WE 185 
Orthopedic Manipulation  see Manipulation, Orthopedic
Mesh BrowserOrthopedic Nursing  WY 157.6 
Mesh BrowserOrthopedic Procedures
General  WE 168
Animals SF 910.5
Infant or child  WS 270
Nursing  WY 157.6
Veterinary SF 910.5
See also names of particular bones, joints, or procedures
See also Orthopedics
Orthopedic Surgery  see Orthopedics
Mesh BrowserOrthopedics
General  WE 21
Biography  WZ 100
Collective WZ 112.5.O75
See also Orthopedic Nursing
See also Orthopedic Procedures
See also Osteology
Mesh BrowserOrthopsychiatry
Adolescent  WS 463
Infant or child  WS 350.6
Social Behavior Disorders  WM 600
Infant or child WS 350.8.S6
See also Mental Health
Mesh BrowserOrthoptera  QX 570 
Mesh BrowserOrthoptics  WW 405 
See also Strabismus
Orthoses  see Orthotic Devices
Orthosis  see Orthotic Devices
Orthostasis  see Dizziness
Mesh BrowserOrthotic Devices  WE 26 
Ortonal  see Methaqualone
Oryza  see Oryza sativa
Mesh BrowserOryza sativa
Cultivation SB 191.R5
Dietary use in health and disease  WB 431
Oryzavirus  see Reoviridae
Oscillators, Endogenous  see Biological Clocks
Mesh BrowserOscillometry
Biophysics  QT 34
Circulation studies  WG 106
Osgood-Schlatter Disease  see Osteochondrosis
Osler-Rendu Disease  see Telangiectasia, Hereditary Hemorrhagic
Osler-Vaquez Disease  see Polycythemia Vera
Mesh BrowserOsmium
Inorganic chemistry QD 181.07
Pharmacology  QV 290
Osmolality  see Osmolar Concentration
Mesh BrowserOsmolar Concentration QD 541
Osmolarity  see Osmolar Concentration
Osmoregulation  see Water-Electrolyte Balance
Mesh BrowserOsmosis
Biochemical phenomena  QU 34
Inorganic chemistry QD 543
Plant physiology QK 871
Mesh BrowserOsmotic Pressure QD 543
Osmotic Shock  see Osmotic Pressure
Mesh BrowserOsseointegration  WE 200 
See also Arthroplasty
See also Hip Prosthesis
Mesh BrowserOssicular Prosthesis  WV 230 
See also Ossicular Replacement
Ossicular Prosthesis Implantation  see Ossicular Replacement
Mesh BrowserOssicular Replacement  WV 230 
See also Ossicular Prosthesis
Ossicular Replacement Prosthesis  see Ossicular Prosthesis
Mesh BrowserOssification, Heterotopic  QZ 180 
Localized, by site
See also Synostosis
Mesh BrowserOssification of Posterior Longitudinal Ligament  WE 725 
Ossification, Pathologic  see Ossification, Heterotopic
Ossification, Physiologic  see Osteogenesis
Mesh BrowserOsteitis  WE 251 
See also Osteochondritis
Mesh BrowserOsteitis Deformans  WE 250 
Mesh BrowserOsteitis Fibrosa Cystica  WK 300 
Osteitis Fibrosa Disseminata  see Fibrous Dysplasia of Bone
Mesh BrowserOsteoarthritis
General  WE 348
Localized, by site
Mesh BrowserOsteoarthritis, Hip  WE 860 
Mesh BrowserOsteoarthritis, Knee  WE 870 
Osteoarthrosis  see Osteoarthritis
Osteoarthrosis Deformans  see Osteoarthritis
Mesh BrowserOsteoblastoma  WE 258 
Localized, by site
Mesh BrowserOsteochondritis  WE 259 
Localized, by site
See also Osteitis
Mesh BrowserOsteochondrodysplasias  WE 250 
Osteochondromas, Multiple  see Exostoses, Multiple Hereditary
Mesh BrowserOsteochondromatosis  WE 250 
Mesh BrowserOsteochondrosis  WE 259 
Osteoclastic Bone Loss  see Bone Resorption
Mesh BrowserOsteocytes  WE 200 
Mesh BrowserOsteogenesis  WE 200 
Mesh BrowserOsteogenesis, Distraction  WE 168 
In oral surgery  WU 600
Localized, by site
See also Ilizarov Technique
Mesh BrowserOsteogenesis Imperfecta  WE 250 
Mesh BrowserOsteology
General  WE 21
See also Bone and Bones
See also Orthopedics
Mesh BrowserOsteolysis  WE 200 
Mesh BrowserOsteoma  QZ 340 
Localized, by site
Osteoma, Giant Osteoid  see Osteoblastoma
Mesh BrowserOsteoma, Osteoid  WE 258 
Localized, by site
Mesh BrowserOsteomalacia  WD 145 
Mesh BrowserOsteomyelitis  WE 251 
Mesh BrowserOsteonecrosis
General  WE 225
Localized, by site
Osteopathic Manipulation  see Manipulation, Osteopathic
Mesh BrowserOsteopathic Medicine  WB 112 
See also Osteopathic Physicians
Mesh BrowserOsteopathic Physicians  WB 112 
See also Osteopathic Medicine
Osteopaths  see Osteopathic Physicians
Osteopathy  see Osteopathic Medicine
Osteopenia  see Bone Diseases, Metabolic
Mesh BrowserOsteopetrosis  WE 250 
Osteophytosis, Spinal  see Spinal Osteophytosis
Mesh BrowserOsteoporosis  WE 250 
Osteoporosis, Age-Related  see Osteoporosis
Osteoporosis, Post-Traumatic  see Osteoporosis
Mesh BrowserOsteoporosis, Postmenopausal  WE 250 
Osteoporosis, Senile  see Osteoporosis
Mesh BrowserOsteoporotic Fractures  WE 250 
Mesh BrowserOsteoradionecrosis  WE 250 
Mesh BrowserOsteosarcoma  WE 258 
Localized, by site
Mesh BrowserOsteosclerosis  WE 250 
Osteosclerosis Fragilis  see Osteopetrosis
Osteosynthesis, Fracture  see Fracture Fixation, Internal
Osteosynthesis, Fracture, Intramedullary  see Fracture Fixation, Intramedullary
Mesh BrowserOsteotomy  WE 168 
Mesh BrowserOsteotomy, Le Fort  WU 610 
Mesh BrowserOstomy
General works  WI 900
See also specific kinds, e.g., Enterostomy  WI 480
Ostracoda  see Crustacea
Mesh BrowserOstreidae  QX 675 
OTC Drugs  see Nonprescription Drugs
Mesh BrowserOtitis  WV 200 
Mesh BrowserOtitis Externa  WV 220 
Otitis Interna  see Labyrinthitis
Mesh BrowserOtitis Media  WV 232 
Otitis Media, Purulent  see Otitis Media, Suppurative
Otitis Media, Secretory  see Otitis Media with Effusion
Otitis Media, Serous  see Otitis Media with Effusion
Mesh BrowserOtitis Media, Suppurative  WV 232 
Mesh BrowserOtitis Media with Effusion  WV 232 
Mesh BrowserOtoacoustic Emissions, Spontaneous  WV 272 
Otolaryngologic Diseases  see Otorhinolaryngologic Diseases
Otolaryngologists  see Otolaryngology
Mesh BrowserOtolaryngology  WV 
General  WV 100
Autobiography
If chiefly autobiographical WZ 100
Special topics by subject
Biography
Collective WZ 112.5.O8
Individual WZ 100
Directories  WV 22
General Surgery  WV 168
See also Otorhinolaryngologic Surgical Procedures WV 168
Infant or child  WV
See also Audiology
See also Otologic Surgical Procedures
See also Otorhinolaryngologic Diseases
Otologic Diseases  see Ear Diseases
Mesh BrowserOtologic Surgical Procedures
General  WV 200
See also names of specific surgical procedures, e.g., Cochlear Implantation  WV 274
Surgery of specific parts of the ear with the part, e.g., Ear, Middle  WV 230
See also Otolaryngology
Otology  see Otolaryngology
Mesh BrowserOtorhinolaryngologic Diseases
General  WV 140
Diagnosis  WV 150
Disability evaluation  WV 32
General Surgery  WV 168
Intracranial complications  WV 180
Nursing  WY 158.5
Signs and symptoms  WV 150
See also Ear Diseases
See also Laryngeal Diseases
See also Nose Diseases
See also Pharyngeal Diseases
Mesh BrowserOtorhinolaryngologic Neoplasms  WV 190 
Mesh BrowserOtorhinolaryngologic Surgical Procedures  WV 168 
Infant or child  WV 168
See also Otolaryngology
Otorhinolaryngology  see Otolaryngology
Mesh BrowserOtosclerosis  WV 265 
See also Fenestration, Labyrinth
Mesh BrowserOtoscopes  WV 26 
See also Otoscopy
Mesh BrowserOtoscopy
Diagnostic use  WV 210
Diagnostic Techniques, Otological  WV 210
For specific ear diseases, with the disease
See also Otoscopes  WV 26
Otospongiosis  see Otosclerosis
Outbreaks  see Disease Outbreaks
Mesh BrowserOutcome and Process Assessment (Health Care)  W 84.4 
Of particular treatments, by subject, e.g., Psychotherapy  WM 420, etc.
Outer Membrane Proteins, Bacterial  see Bacterial Outer Membrane Proteins
Mesh BrowserOutlines
Anesthesia  WO 218.2
Embryology  QS 618.2
Forensic medicine and dentistry  W 618.2
Histology  QS 518.2
Immunology  QW 518.2
(Form number 18.2 in any NLM schedule where applicable)
Outpatient Care  see Ambulatory Care
Outpatient Clinics  see Ambulatory Care Facilities
Mesh BrowserOutpatient Clinics, Hospital  WX 205 
Specialty hospitals (Form numbers 27-28 in any NLM schedule where applicable)
See also Ambulatory Care
Outpatient Health Services  see Ambulatory Care
Outpatient Surgery  see Ambulatory Surgical Procedures
Mesh BrowserOutpatients  WX 205 
Patient with a particular disease, with the disease
See also Ambulatory Care
Mesh BrowserOutsourced Services
In medicine (General)  W 74
Other specific topics, by subject, in economics number where available
See also Contract Services  W 74, etc.
Outsourcing  see Outsourced Services
Mesh BrowserOvalbumin  QU 55.4 
Ovarian Cancer  see Ovarian Neoplasms
Ovarian Carcinoma  see Ovarian Neoplasms
Ovarian Cycle  see Menstrual Cycle
Mesh BrowserOvarian Cysts  WP 322 
Mesh BrowserOvarian Diseases  WP 320-322 
Mesh BrowserOvarian Follicle  WP 320 
See also Ovum  WQ 205
Mesh BrowserOvarian Function Tests  WP 520 
Mesh BrowserOvarian Neoplasms  WP 322 
Ovarian Pregnancy  see Pregnancy, Ectopic
Ovarian Stimulation  see Ovulation Induction
Mesh BrowserOvariectomy  WP 320 
Mesh BrowserOvary  WP 320-322 
Endocrine function  WP 520-530
General works WP 520
See also Corpus Luteum WP 320, etc.
See also Ovarian Follicle WP 320
See also names of hormones produced
Ovarian function  WP 540
See also Oophoritis  WP 320
See also Ovariectomy  WP 320
See also Pregnancy, Ectopic  WQ 220
Over-the-Counter Drugs  see Nonprescription Drugs
Overdenture  see Denture, Overlay
Overeating  see Hyperphagia
Overinclusion  see Cognition Disorders
Mesh BrowserOvernutrition  WD 100 
In children
General (from birth through adolescence) WS 115
Adolescent WS 115
Child WS 130
Infant WS 120
As a cause of specific disease, with the disease, e.g., Obesity  WD 210
Overpopulation  see Population Density
Overuse Syndrome  see Cumulative Trauma Disorders
Overutilization of Health Services  see Health Services Misuse
Mesh BrowserOverweight
General  WD 210-212
As a cause of a specific disease, with the disease
Mesh BrowserOviducts
Domestic animals SF 871
Human see Fallopian Tubes  WP 300, etc.
Wild animals QL 881
See also Fallopian Tubes
Oviducts, Mammalian  see Fallopian Tubes
Ovine Catarrhal Fever Virus  see Bluetongue virus
Ovis  see Sheep
Ovocytes  see Oocytes
Mesh BrowserOvulation  WP 540 
Animal SF 871
Suppression for contraception see Ovulation Inhibition  WP 630
Mesh BrowserOvulation Detection  WP 540 
Mesh BrowserOvulation Induction  WP 540 
Mesh BrowserOvulation Inhibition
General  WP 540
For contraception  WP 630
Ovulation Suppression  see Ovulation Inhibition
Mesh BrowserOvum
Animal QL 965
Development  WQ 205
See also Ovarian Follicle
Ovum, Fertilized  see Zygote
Ovum Implantation  see Embryo Implantation
Ovum Implantation, Delayed  see Embryo Implantation, Delayed
Ovum Proteins  see Egg Proteins
Ovum-Sperm Interactions  see Sperm-Ovum Interactions
Mesh BrowserOxalates
Biochemistry  QU 98
Toxicology  QV 632
Mesh BrowserOxandrolone  WJ 875 
Mesh BrowserOxazoles  QV 95 
Mesh BrowserOxidants, Photochemical  WA 754 
Oxidases  see Oxidoreductases
Oxidation  see Metabolism
Mesh BrowserOxidation-Reduction
Metabolism  QU 125
Organic chemistry QD 281.O9
See also Antioxidants
Mesh BrowserOxidative Phosphorylation  QU 125 
Oxidative Phosphorylation Deficiencies  see Mitochondrial Diseases
Mesh BrowserOxidative Stress
General  QZ 180
In relation to specific disease or pathologic process with the disease or process
Special topics by subject
Mesh BrowserOxides  QV 312 
See also Cyclic N-Oxides
Mesh BrowserOxidoreductases  QU 140 
Mesh BrowserOximes  QV 124 
Mesh BrowserOximetry  QY 480 
Oximetry, Transcutaneous  see Blood Gas Monitoring, Transcutaneous
Oxoquinolines  see Quinolones
Oxycephaly  see Craniosynostoses
Mesh BrowserOxygen  QV 312 
Deficiency see Anoxia  WD 715, etc.
See also Anoxia
Mesh BrowserOxygen Compounds  QV 312 
Mesh BrowserOxygen Consumption  WF 110 
Oxygen Deficiency  see Anoxia
Mesh BrowserOxygen Inhalation Therapy  WF 145 
Oxygen Partial Pressure Determination, Transcutaneous  see Blood Gas Monitoring, Transcutaneous
Oxygen Radicals  see Reactive Oxygen Species
Mesh BrowserOxygenases  QU 140 
Oxygenation, Extracorporeal Membrane  see Extracorporeal Membrane Oxygenation
Oxygenation, Hyperbaric  see Hyperbaric Oxygenation
Mesh BrowserOxygenators  WO 162 
Used for special purposes, by subject, e.g., Cardiac Surgical Procedures  WG 169
See also Heart-Lung Machine
Mesh BrowserOxygenators, Membrane  WO 162 
Used for special purposes, by subject, e.g., Postoperative Care  WO 184, etc.
Oxyntic Cells  see Parietal Cells, Gastric
Mesh BrowserOxyphenbutazone  QV 95 
Oxyproline  see Hydroxyproline
Mesh BrowserOxytetracycline  QV 360 
Mesh BrowserOxytocics  QV 173 
Mesh BrowserOxytocin  QV 173 
See also Oxytocics
Mesh BrowserOxyuriasis  WC 860 
Mesh BrowserOxyuroidea  QX 271 
Oysters  see Ostreidae
Ozena  see Rhinitis, Atrophic
Mesh BrowserOzone  QV 312 



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Last Updated: Tue Apr 30 05:40:05 PDT 2012