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Unified Medical Language System® (UMLS®)

2012AA MeSH Italian Source Information

Counts

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Semantic Type Count Percentage
AMINO ACID, PEPTIDE, OR PROTEIN 4473 14.4
DISEASE OR SYNDROME 3477 11.2
PHARMACOLOGIC SUBSTANCE 2845 9.2
ORGANIC CHEMICAL 2675 8.6
BIOLOGICALLY ACTIVE SUBSTANCE 2218 7.1
PLANT 1571 5.1
ENZYME 1503 4.8
THERAPEUTIC OR PREVENTIVE PROCEDURE 1094 3.5
BODY PART, ORGAN, OR ORGAN COMPONENT 863 2.8
IMMUNOLOGIC FACTOR 660 2.1
BACTERIUM 809 2.6
NEOPLASTIC PROCESS 754 2.4
EUKARYOTE 619 2
RECEPTOR 563 1.8
VIRUS 585 1.9
INTELLECTUAL PRODUCT 506 1.6
GEOGRAPHIC AREA 506 1.6
DIAGNOSTIC PROCEDURE 458 1.5
HAZARDOUS OR POISONOUS SUBSTANCE 452 1.5
LABORATORY PROCEDURE 442 1.4
MANUFACTURED OBJECT 419 1.3
NUCLEIC ACID, NUCLEOSIDE, OR NUCLEOTIDE 397 1.3
MAMMAL 393 1.3
INDICATOR, REAGENT, OR DIAGNOSTIC AID 367 1.2
HEALTH CARE ACTIVITY 346 1.1
MENTAL OR BEHAVIORAL DYSFUNCTION 342 1.1
PATHOLOGIC FUNCTION 321 1
BIOMEDICAL OCCUPATION OR DISCIPLINE 316 1
CONGENITAL ABNORMALITY 315 1

Notes

  • Semantic Types are a set of broad subject areas that provide a consistent categorization of concepts represented in the Metathesaurus. Semantic Types are arranged into two mutually exclusive hierarchies, Entity and Event.
  • Semantic Types help summarize the content of a source.
  • Each Metathesaurus concept is assigned at least one semantic type, many have more than one.
  • The report displays the most frequently assigned semantic types in descending order, up to a total of 1%.
  • The 'Count' field below is the number of concepts assigned a specific semantic type and containing at least one atom from the source.
  • The 'Percentage' field below is the count relative to the total number of concepts that contain an atom from that source.
  • The MRSTY file contains one row for each Semantic Type assigned to each concept. All Metathesaurus concepts have at least one entry in this file.
  • See Chapter 5 of the UMLS Reference Manual to read more about the Semantic Network