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external anal sphincter

external sphincter ani

The Sphincter ani externus (external anal sphincter) is a flat plane of muscular fibers, elliptical in shape and intimately adherent to the integument surrounding the margin of the anus. [WP,unvetted].

On this page
类型 Muscle
上级结构 skeletal muscle tissue of trunk
拉丁名称 external sphincter ani
FMA ID 21930

Frequently Asked Questions

What is the external anal sphincter?

The Sphincter ani externus (external anal sphincter) is a flat plane of muscular fibers, elliptical in shape and intimately adherent to the integument surrounding the margin of the anus. [WP,unvetted].

What is the Latin name for the external anal sphincter?

The Latin name for the external anal sphincter is external sphincter ani.

References

  1. Foundational Model of Anatomy — FMA:21930 Reference anatomy ontology (University of Washington)
  2. UBERON — UBERON:0001367 Cross-species anatomy ontology (EMBL-EBI Ontology Lookup Service)
  3. Wikipedia — external anal sphincter Encyclopedia article (verified cross-reference)

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Educational Disclaimer

This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical decisions.

Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.