Counts
(skip to: notes samples )
placeholder
Relationship
Relationship Attribute
Count (MRREL.RRF)
SIB
*
393968
SY
translation_of
46785
PAR
*
33818
SY
mth_has_plain_text_form
21221
RO
*
10392
RN
*
6442
RB
inverse_isa
4241
RO
*
2370
RO
entry_combination_of
697
PAR
*
115
Notes
Sample data are taken from MRREL.RRF. Associated strings(str) from MRCONSO.RRF are also included
See relationships definitions below.
Every relationship has a separate row in MRREL.RRF.
Relationships are assigned based on source documentation or NLM understanding of the source.
Metathesaurus relationships in MRREL.RRF are read from right to left .
All relationships in MRREL.RRF are expressed in both directions, for example: 'has_ingredient/ingredient_of'. Inverse relationships in each pair are indicated on this page.
An asterisk (*) in the relationship attribute column indicates that no relationship attribute (RELA) was assigned.
Every even row (indicated by orange colored rel/rela pairs) indicates that the current row is an inverse relationship of the row above it.
See section 2.7.1.3.9 in UMLS Documentation Section 2, Metathesaurus for more information on Related Concepts, MRREL.RRF.
Relationship Definitions
AQ : allowed qualifier
CHD : has child (narrower hierarchical term)
DEL : deleted concept
PAR : has parent (broader hierarchical term)
QB : can be qualifier by
RB : has a broader relationship
RL : has similar or like relationship
RN : has narrower relationship
RO : has relationship other than synonymous, narrower or broader
RQ : related and possibly synonymous
SIB : has sibling
SY : source-asserted synonymy
Sample Data
SIB (return to top)
CUI1
AUI1
STYPE1
STR
REL
STR
STYPE2
AUI2
CUI2
C0969728
A9171251
SDUI
Turnera
SIB
Flacourtiaceae
SDUI
A9173620
C1011796
C1011796
A9173620
SDUI
Flacourtiaceae
SIB
Turnera
SDUI
A9171251
C0969728
C0022521
A9208704
SDUI
Síndrome de Kartagener
SIB
Enfermedades Cutáneas Genéticas
SDUI
A15889068
C0037277
C0037277
A15889068
SDUI
Enfermedades Cutáneas Genéticas
SIB
Síndrome de Kartagener
SDUI
A9208704
C0022521
C0079731
A9197303
SDUI
Linfoma de Células B
SIB
Linfoma Folicular
SDUI
A9197329
C0024301
C0024301
A9197329
SDUI
Linfoma Folicular
SIB
Linfoma de Células B
SDUI
A9197303
C0079731
C0057146
A9231422
SDUI
Fosfoproteína 32 Regulada por Dopamina y AMPc
SIB
Proteína BRCA1
SDUI
A9221838
C0259275
C0259275
A9221838
SDUI
Proteína BRCA1
SIB
Fosfoproteína 32 Regulada por Dopamina y AMPc
SDUI
A9231422
C0057146
C0003062
A9179137
SDUI
Animales
SIB
Enfermedades Hematológicas y Linfáticas
SDUI
A9188747
C0018981
C0018981
A9188747
SDUI
Enfermedades Hematológicas y Linfáticas
SIB
Animales
SDUI
A9179137
C0003062
SY (return to top)
CUI1
AUI1
STYPE1
STR
REL
RELA
STR
STYPE2
AUI2
CUI2
C0206332
A0362835
AUI
Ligamentum Patellae
SY
translation_of
Ligamento Patelar
AUI
A9220915
C0206332
C0206332
A9220915
AUI
Ligamento Patelar
SY
has_translation
Ligamentum Patellae
AUI
A0362835
C0206332
C1135858
A2365763
AUI
Feijoa
SY
translation_of
Feijoa
AUI
A9173606
C1135858
C1135858
A9173606
AUI
Feijoa
SY
has_translation
Feijoa
AUI
A2365763
C1135858
C0282570
A0586958
AUI
Technology, Educational
SY
translation_of
Tecnología Educativa
AUI
A9223031
C0282570
C0282570
A9223031
AUI
Tecnología Educativa
SY
has_translation
Technology, Educational
AUI
A0586958
C0282570
C0751148
A7796707
AUI
Amnioscopic Surgical Procedures
SY
translation_of
Procedimientos Quirúrgicos Amnioscópicos
AUI
A13402326
C0751148
C0751148
A13402326
AUI
Procedimientos Quirúrgicos Amnioscópicos
SY
has_translation
Amnioscopic Surgical Procedures
AUI
A7796707
C0751148
C0004755
A0069066
AUI
Hordeum
SY
translation_of
Hordeum
AUI
A9173867
C0004755
C0004755
A9173867
AUI
Hordeum
SY
has_translation
Hordeum
AUI
A0069066
C0004755
PAR (return to top)
CUI1
AUI1
STYPE1
STR
REL
STR
STYPE2
AUI2
CUI2
C0038018
A9220097
SDUI
Espondilólisis
PAR
Espondilosis
SDUI
A15889867
C0038019
C0038019
A15889867
SDUI
Espondilosis
CHD
Espondilólisis
SDUI
A9220097
C0038018
C0600615
A15888417
SDUI
Poloxámero
PAR
Glicoles de Polietileno
SDUI
A9192936
C0032483
C0032483
A9192936
SDUI
Glicoles de Polietileno
CHD
Poloxámero
SDUI
A15888417
C0600615
C0041917
A9212690
SDUI
Uracilo
PAR
Pirimidinonas
SDUI
A9202783
C0034290
C0034290
A9202783
SDUI
Pirimidinonas
CHD
Uracilo
SDUI
A9212690
C0041917
C0023054
A9199715
SDUI
Músculos Laríngeos
PAR
Laringe
SDUI
A9196622
C0023078
C0023078
A9196622
SDUI
Laringe
CHD
Músculos Laríngeos
SDUI
A9199715
C0023054
C0016190
A9181564
SDUI
Bis(4-Metil-1-Homopiperaziniltiocarbonil)disulfuro
PAR
Imidazoles
SDUI
A9194995
C0020924
C0020924
A9194995
SDUI
Imidazoles
CHD
Bis(4-Metil-1-Homopiperaziniltiocarbonil)disulfuro
SDUI
A9181564
C0016190
SY (return to top)
CUI1
AUI1
STYPE1
STR
REL
RELA
STR
STYPE2
AUI2
CUI2
C1333105
A11373423
AUI
Antígenos CD131
SY
mth_has_plain_text_form
Antigenos CD131
AUI
A11368836
C1333105
C1333105
A11368836
AUI
Antigenos CD131
SY
mth_plain_text_form_of
Antígenos CD131
AUI
A11373423
C1333105
C0015275
A13398943
AUI
Psicología Existencial
SY
mth_has_plain_text_form
Psicologia Existencial
AUI
A13404948
C0015275
C0015275
A13404948
AUI
Psicologia Existencial
SY
mth_plain_text_form_of
Psicología Existencial
AUI
A13398943
C0015275
C0265965
A9187301
AUI
Disqueratosis Congénita
SY
mth_has_plain_text_form
Disqueratosis Congenita
AUI
A9225278
C0265965
C0265965
A9225278
AUI
Disqueratosis Congenita
SY
mth_plain_text_form_of
Disqueratosis Congénita
AUI
A9187301
C0265965
C1257846
A9217658
AUI
Receptores de Ceruleína
SY
mth_has_plain_text_form
Receptores de Ceruleina
AUI
A9206082
C1257846
C1257846
A9206082
AUI
Receptores de Ceruleina
SY
mth_plain_text_form_of
Receptores de Ceruleína
AUI
A9217658
C1257846
C0030581
A9232779
AUI
Neoplasias de la Parótida
SY
mth_has_plain_text_form
Neoplasias de la Parotida
AUI
A9232778
C0030581
C0030581
A9232778
AUI
Neoplasias de la Parotida
SY
mth_plain_text_form_of
Neoplasias de la Parótida
AUI
A9232779
C0030581
RO (return to top)
CUI1
AUI1
STYPE1
STR
REL
STR
STYPE2
AUI2
CUI2
C0016658
A9231444
SDUI
Fracturas Óseas
RO
Callo Óseo
SDUI
A9182084
C0006767
C0006767
A9182084
SDUI
Callo Óseo
RO
Fracturas Óseas
SDUI
A9231444
C0016658
C0600664
A13398726
SDUI
Narrativas Personales
RO
Biografía
SDUI
A13402065
C0005504
C0005504
A13402065
SDUI
Biografía
RO
Narrativas Personales
SDUI
A13398726
C0600664
C0020433
A9171824
SDUI
Hiperbilirrubinemia
RO
Bilirrubina
SDUI
A9175568
C0005437
C0005437
A9175568
SDUI
Bilirrubina
RO
Hiperbilirrubinemia
SDUI
A9171824
C0020433
C0024929
A9195945
SDUI
Intercambio Materno-Fetal
RO
Placenta
SDUI
A9202883
C0032043
C0032043
A9202883
SDUI
Placenta
RO
Intercambio Materno-Fetal
SDUI
A9195945
C0024929
C0021034
A11373222
SDUI
Cadenas Pesadas de Inmunoglobulina
RO
Genes de las Cadenas Pesadas de las Inmunoglobulinas
SDUI
A9231529
C0017351
C0017351
A9231529
SDUI
Genes de las Cadenas Pesadas de las Inmunoglobulinas
RO
Cadenas Pesadas de Inmunoglobulina
SDUI
A11373222
C0021034
RN (return to top)
CUI1
AUI1
STYPE1
STR
REL
STR
STYPE2
AUI2
CUI2
C0033235
A9233258
SCUI
Procolágeno
RN
Protocolageno
SCUI
A13397386
C0969645
C0969645
A13397386
SCUI
Protocolageno
RB
Procolágeno
SCUI
A9233258
C0033235
C0183837
A11372530
SCUI
Cinta Quirúrgica
RN
Cinta de la Piel
SCUI
A13402989
C1721087
C1721087
A13402989
SCUI
Cinta de la Piel
RB
Cinta Quirúrgica
SCUI
A11372530
C0183837
C0031408
A9191292
SCUI
Feniramina
RN
Histapiridamina
SCUI
A13394036
C0733432
C0733432
A13394036
SCUI
Histapiridamina
RB
Feniramina
SCUI
A9191292
C0031408
C0028627
A9221003
SCUI
Mapeo Nucleótido
RN
Huellas Dactilares Nucleótido
SCUI
A13395622
C0016127
C0016127
A13395622
SCUI
Huellas Dactilares Nucleótido
RB
Mapeo Nucleótido
SCUI
A9221003
C0028627
C0017461
A9192783
SCUI
Gerbillinae
RN
Ratas de Playa
SCUI
A13397198
C0080083
C0080083
A13397198
SCUI
Ratas de Playa
RB
Gerbillinae
SCUI
A9192783
C0017461
RB (return to top)
CUI1
AUI1
STYPE1
STR
REL
RELA
STR
STYPE2
AUI2
CUI2
C0031592
A9192051
SDUI
Fosmet
RB
inverse_isa
Insecticidas
SDUI
A9195817
C0021576
C0021576
A9195817
SDUI
Insecticidas
RN
isa
Fosmet
SDUI
A9192051
C0031592
C0009035
A9183908
SDUI
Clorgilina
RB
inverse_isa
Agentes Antidepresivos
SDUI
A9177900
C0003289
C0003289
A9177900
SDUI
Agentes Antidepresivos
RN
isa
Clorgilina
SDUI
A9183908
C0009035
C0285488
A9229687
SDUI
Antígenos CD46
RB
inverse_isa
Factores Inmunológicos
SDUI
A9220260
C0021054
C0021054
A9220260
SDUI
Factores Inmunológicos
RN
isa
Antígenos CD46
SDUI
A9229687
C0285488
C0040987
A9212128
SDUI
Trifluridina
RB
inverse_isa
Agentes Antivirales
SDUI
A9177952
C0003451
C0003451
A9177952
SDUI
Agentes Antivirales
RN
isa
Trifluridina
SDUI
A9212128
C0040987
C0100672
A9210151
SDUI
Tecnecio Tc 99m Mertiatide
RB
inverse_isa
Radiofármacos
SDUI
A9235018
C0182638
C0182638
A9235018
SDUI
Radiofármacos
RN
isa
Tecnecio Tc 99m Mertiatide
SDUI
A9210151
C0100672
RO (return to top)
CUI1
AUI1
STYPE1
STR
REL
STR
STYPE2
AUI2
CUI2
C0003749
A9180032
SCUI
Areca
RO
Nuez de Areca
SCUI
A13395358
C0684282
C0684282
A13395358
SCUI
Nuez de Areca
RO
Areca
SCUI
A9180032
C0003749
C0008956
A9215472
SCUI
Competencia Clínica
RO
Habilidad Clínica
SCUI
A9216514
C0008973
C0008973
A9216514
SCUI
Habilidad Clínica
RO
Competencia Clínica
SCUI
A9215472
C0008956
C0162550
A13405422
SCUI
Acatisia Inducida por Medicamentos
RO
Seudoacatisia
SCUI
A13401949
C0751647
C0751647
A13401949
SCUI
Seudoacatisia
RO
Acatisia Inducida por Medicamentos
SCUI
A13405422
C0162550
C0085301
A9234449
SCUI
Proteínas Proto-Oncogénicas c-fos
RO
Antígenos Relacionados a fos
SCUI
A9219130
C0086315
C0086315
A9219130
SCUI
Antígenos Relacionados a fos
RO
Proteínas Proto-Oncogénicas c-fos
SCUI
A9234449
C0085301
C0206275
A9213940
SCUI
Viudez
RO
Viudos
SCUI
A13404399
C0043174
C0043174
A13404399
SCUI
Viudos
RO
Viudez
SCUI
A9213940
C0206275
RO (return to top)
CUI1
AUI1
STYPE1
STR
REL
RELA
STR
STYPE2
AUI2
CUI2
C0033561
A9204117
SDUI
Prostaglandinas F
RO
entry_combination_of
Prostaglandinas F Sintéticas
SDUI
A9221793
C0033562
C0033562
A9221793
SDUI
Prostaglandinas F Sintéticas
RO
has_entry_combination
Prostaglandinas F
SDUI
A9204117
C0033561
C1281743
A9181591
SDUI
Blastocisto
RO
entry_combination_of
Transferencia de Embrión
SDUI
A9218138
C0013938
C0013938
A9218138
SDUI
Transferencia de Embrión
RO
has_entry_combination
Blastocisto
SDUI
A9181591
C1281743
C0026454
A9199420
SDUI
Monoaminooxidasa
RO
entry_combination_of
Inhibidores de la Monoaminooxidasa
SDUI
A9195648
C0026457
C0026457
A9195648
SDUI
Inhibidores de la Monoaminooxidasa
RO
has_entry_combination
Monoaminooxidasa
SDUI
A9199420
C0026454
C0012634
A9175741
SDUI
Enfermedad
RO
entry_combination_of
Patología
SDUI
A9221517
C0030664
C0030664
A9221517
SDUI
Patología
RO
has_entry_combination
Enfermedad
SDUI
A9175741
C0012634
C0024109
A9205153
SDUI
Pulmón
RO
entry_combination_of
Trasplante de Pulmón
SDUI
A9223302
C0024128
C0024128
A9223302
SDUI
Trasplante de Pulmón
RO
has_entry_combination
Pulmón
SDUI
A9205153
C0024109
PAR (return to top)
CUI1
AUI1
STYPE1
STR
REL
STR
STYPE2
AUI2
CUI2
C0039058
A9184727
SDUI
Condiciones Patológicas, Signos y Síntomas
PAR
Spanish MeSH Root
AUI
A13402003
C1140135
C1140135
A13402003
AUI
Spanish MeSH Root
CHD
Condiciones Patológicas, Signos y Síntomas
SDUI
A9184727
C0039058
C0033897
A9231345
SDUI
Fenómenos y Procesos Psicológicos
PAR
Spanish MeSH Root
AUI
A13402003
C1140135
C1140135
A13402003
AUI
Spanish MeSH Root
CHD
Fenómenos y Procesos Psicológicos
SDUI
A9231345
C0033897
C0040300
A9210319
SDUI
Tejidos
PAR
Spanish MeSH Root
AUI
A13402003
C1140135
C1140135
A13402003
AUI
Spanish MeSH Root
CHD
Tejidos
SDUI
A9210319
C0040300
C0013227
A9217256
SDUI
Preparaciones Farmacéuticas
PAR
Spanish MeSH Root
AUI
A13402003
C1140135
C1140135
A13402003
AUI
Spanish MeSH Root
CHD
Preparaciones Farmacéuticas
SDUI
A9217256
C0013227
C0035242
A9188805
SDUI
Enfermedades Respiratorias
PAR
Spanish MeSH Root
AUI
A13402003
C1140135
C1140135
A13402003
AUI
Spanish MeSH Root
CHD
Enfermedades Respiratorias
SDUI
A9188805
C0035242