Counts
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Relationship
Relationship Attribute
Count (MRREL.RRF)
SIB
*
28
PAR
*
14
RN
*
4
PAR
*
2
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
C0021445
A16483930
SDUI
Cirkšņa kanāls
SIB
Vēdera dobums
SDUI
A16483928
C0230168
C0230168
A16483928
SDUI
Vēdera dobums
SIB
Cirkšņa kanāls
SDUI
A16483930
C0021445
C0024094
A16483938
SDUI
Jostas un krustu kaula apvidus
SIB
Krustu un asteskaula apvidus
SDUI
A16483940
C0036035
C0036035
A16483940
SDUI
Krustu un asteskaula apvidus
SIB
Jostas un krustu kaula apvidus
SDUI
A16483938
C0024094
C0041638
A16483942
SDUI
Naba
SIB
Cirksnis
SDUI
A16483945
C0018246
C0018246
A16483945
SDUI
Cirksnis
SIB
Naba
SDUI
A16483942
C0041638
C0041638
A16483942
SDUI
Naba
SIB
Vēderdobuma siena
SDUI
A16483949
C0836916
C0836916
A16483949
SDUI
Vēderdobuma siena
SIB
Naba
SDUI
A16483942
C0041638
C0836916
A16483949
SDUI
Vēderdobuma siena
SIB
Cirksnis
SDUI
A16483945
C0018246
C0018246
A16483945
SDUI
Cirksnis
SIB
Vēderdobuma siena
SDUI
A16483949
C0836916
PAR (return to top)
CUI1
AUI1
STYPE1
STR
REL
STR
STYPE2
AUI2
CUI2
C0004600
A16483932
SDUI
Mugura
PAR
Ķermeņa daļas
SDUI
A16483925
C0005898
C0005898
A16483925
SDUI
Ķermeņa daļas
CHD
Mugura
SDUI
A16483932
C0004600
C0021445
A16483930
SDUI
Cirkšņa kanāls
PAR
Vēderdobums
SDUI
A16483931
C0000726
C0000726
A16483931
SDUI
Vēderdobums
CHD
Cirkšņa kanāls
SDUI
A16483930
C0021445
C0031153
A16483934
SDUI
Vēderplēve
PAR
Not Translated[Serous Membrane]
SDUI
A16483923
C0036760
C0036760
A16483923
SDUI
Not Translated[Serous Membrane]
CHD
Vēderplēve
SDUI
A16483934
C0031153
C0230168
A16483928
SDUI
Vēdera dobums
PAR
Vēderdobums
SDUI
A16483931
C0000726
C0000726
A16483931
SDUI
Vēderdobums
CHD
Vēdera dobums
SDUI
A16483928
C0230168
C0836916
A16483949
SDUI
Vēderdobuma siena
PAR
Vēderdobums
SDUI
A16483931
C0000726
C0000726
A16483931
SDUI
Vēderdobums
CHD
Vēderdobuma siena
SDUI
A16483949
C0836916
RN (return to top)
CUI1
AUI1
STYPE1
STR
REL
STR
STYPE2
AUI2
CUI2
C0021445
A16483930
SCUI
Cirkšņa kanāls
RN
Cirkšņa gredzens
SCUI
A16483926
C0225226
C0225226
A16483926
SCUI
Cirkšņa gredzens
RB
Cirkšņa kanāls
SCUI
A16483930
C0021445
C0024094
A16483938
SCUI
Jostas un krustu kaula apvidus
RN
Jostas apvidus
SCUI
A16483933
C0024090
C0024090
A16483933
SCUI
Jostas apvidus
RB
Jostas un krustu kaula apvidus
SCUI
A16483938
C0024094
C0036035
A16483940
SCUI
Krustu un asteskaula apvidus
RN
Astes kaula apvidus
SCUI
A16483941
C0009191
C0009191
A16483941
SCUI
Astes kaula apvidus
RB
Krustu un asteskaula apvidus
SCUI
A16483940
C0036035
C0036035
A16483940
SCUI
Krustu un asteskaula apvidus
RN
Krustu apvidus
SCUI
A16483950
C0036033
C0036033
A16483950
SCUI
Krustu apvidus
RB
Krustu un asteskaula apvidus
SCUI
A16483940
C0036035
PAR (return to top)
CUI1
AUI1
STYPE1
STR
REL
STR
STYPE2
AUI2
CUI2
C0005898
A16483925
SDUI
Ķermeņa daļas
PAR
Latvian MeSH Root
AUI
A16483944
C2607872
C2607872
A16483944
AUI
Latvian MeSH Root
CHD
Ķermeņa daļas
SDUI
A16483925
C0005898
C0040300
A16483951
SDUI
Not Translated[Tissues]
PAR
Latvian MeSH Root
AUI
A16483944
C2607872
C2607872
A16483944
AUI
Latvian MeSH Root
CHD
Not Translated[Tissues]
SDUI
A16483951
C0040300