National Cancer Institute Thesaurus - Anus - Classes | NCBO BioPortal

National Cancer Institute Thesaurus

Last uploaded: July 2, 2026

Id	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C43362 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C43362
Preferred Name	Anus
Definitions	The lower opening of the digestive tract, lying in the cleft between the buttocks, through which fecal matter is extruded.
Synonyms	opening of terminal part of digestive tract anal opening LARGE INTESTINE, ANUS opening of terminal part of digestive tractanal orifice anal orifice ANUS Anal Anus Anus, NOS anal anus See more See less
Type	http://www.w3.org/2002/07/owl#Class

label	Anus
prefixIRI	Thesaurus:C43362
code	C43362
DEFINITION	The lower opening of the digestive tract, lying in the cleft between the buttocks, through which fecal matter is extruded.
ALT_DEFINITION	The distal orifice of the digestive tract located between the rectum and the external surface of the body, comprising glandular, transitional, and squamous epithelium. The opening of the rectum to the outside of the body. Orifice at the opposite end of an animal's digestive tract from the mouth. Its function is to expel feces, unwanted semi-solid matter produced during digestion, which, depending on the type of animal, may be one or more of: matter which the animal cannot digest, such as bones; food material after all the nutrients have been extracted, for example cellulose or lignin; ingested matter which would be toxic if it remained in the digestive tract; and dead or excess gut bacteria and other endosymbionts.
Is_Value_For_GDC_Property	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C70729 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C171435 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C173263 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C156422 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C156421 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C177570 See more See less
Legacy Concept Name	Anus
Contributing_Source	CDISC CPTAC GDC PCDC UBERON
xRef	UBERON:0001245
FULL_SYN	opening of terminal part of digestive tract anal opening LARGE INTESTINE, ANUS opening of terminal part of digestive tractanal orifice anal orifice ANUS Anal Anus Anus, NOS anal anus See more See less
UMLS_CUI	C0003461
Maps_To	Anus Anus, NOS
Preferred_Name	Anus
type	http://www.w3.org/2002/07/owl#Class
subClassOf	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C25763
Display_Name	Anus
Concept_In_Subset	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C179481 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C66830 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C159336 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C157711 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C156952 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C168656 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C77529 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C77526 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C159328 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C179483 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C61410 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C198975 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C168660 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C179482 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C168664 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C168663 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C168655 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C74456 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C168659 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C177537 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C179478 See more See less
Semantic_Type	Body Part, Organ, or Organ Component

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