Terminology Service for NFDI4Health
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internal anal sphincter

Go to external page http://purl.obolibrary.org/obo/UBERON_0001244

the smooth muscle ring, formed by an increase of the circular muscle fibers of the rectum, situated at the upper end of the anal canal, internal to the outer voluntary external anal sphincter [ http://www.informatics.jax.org/accession/anna ]

Term info

Label

internal anal sphincter

Synonyms
  • circular layer of anal muscularis externa
  • circular layer of muscularis externa of anal canal
  • circular layer of muscularis propria of anal canal
  • circular muscle layer of anal canal
database cross reference
Subsets

uberon_slim, pheno_slim

depicted by

http://upload.wikimedia.org/wikipedia/commons/e/e9/Gray1079.png

id

UBERON:0001244