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Unified Medical Language System (UMLS)

NCBI (NCBI Taxonomy) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T204Eukaryote48750237.9
T007Bacterium37693429.3
T002Plant18521914.4
T004Fungus13589210.6
T013Fish348542.7
T005Virus201471.6

Term Type Counts

Term TypeExpanded FormCount
SCNScientific name1285989
AUNAuthority name356908
SYDesignated synonym122796
CMNCommon name13657
EQEquivalent name10849
USNUnique scientific name544
UCNUnique common name84
USYUnique synonym70
UAUNUnique authority name12
UEUnique equivalent name9

Attribute Counts

Attribute TypeExpanded FormCount
RANKNCBI Rank (e.g. RANK[NCBI]species)1285989
DIVNCBI Division/Phyla (e.g. DIV[NCBI]Viruses)1285989

Relationship Counts

Relation Name/Additional LabelExpanded FormCount
CHD/has child relationship in a Metathesaurus source vocabulary /Empty relationship attribute1285984
PAR/has parent relationship in a Metathesaurus source vocabulary /Empty relationship attribute1285984
SY/expanded_form_ofsource asserted synonymy./Expanded form of719
SY/has_expanded_formsource asserted synonymy./Has expanded form719

Definition Count

Count
0

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
SCTSPA20424/12857231.6
SNOMEDCT_US20526/12857231.6
SNOMEDCT_VET13797/12857231.1