external anal sphincter

Musculus sphincter ani externus

Muscular

3D model: external anal sphincter
external anal sphincter
3D models: BodyParts3D, © The Database Center for Life Science licensed under CC Attribution 4.0 International

In 2 atlases

Definition

flat plane of skeletal muscle fibers, elliptical in shape and intimately adherent to the skin surrounding the margin of the anus

Source: Wikidata · Licence: CC0-1.0

Description from Wikidata (https://www.wikidata.org/), available under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/).

Relations

Innervation
set of inferior anal nerves

Sub-structures

Practice questions

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Wikipedia (English)

Identifiers

TA2
2426
TA98
A04.5.04.012
FMA
21930
UBERON
0001367
Wikidata
Q2379958