Structure of internal anal sphincter muscle

Structure of internal anal sphincter muscle (body structure)

active

Code	`82961008`
Semantic tag	body structure
Module	international
Definition	primitive
Effective time	20020131

Synonyms

Circular layer of muscularis propria of anal canal
Internal sphincter ani muscle
Sphincter ani internus muscle
Sphincter ani internus muscle structure

Parents (3)

372231001Anal sphincter muscle part body structure
118253008Smooth muscle sphincter structure body structure
70957002Structure of muscularis propria of anal canal body structure

Children (1)

245454006Entire internal anal sphincter muscle body structure