anus

anal opening

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.

On this page
Type Bone
Body System Digestive
Parent Structure orifice
Latin Name anal opening
FMA ID 15711

Frequently Asked Questions

What is the anus?

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 al

What body system is the anus part of?

The anus is part of the Digestive.

What is the Latin name for the anus?

The Latin name for the anus is anal opening.

References

  1. Foundational Model of Anatomy — FMA:15711 Reference anatomy ontology (University of Washington)
  2. UBERON — UBERON:0001245 Cross-species anatomy ontology (EMBL-EBI Ontology Lookup Service)

Medical Disclaimer

This content is for educational and informational purposes only. It is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.

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.