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Word of the Day Tuesday, June 9, 2026

proctodeum

/prɒktədiːəm/ noun · British & US
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What does proctodeum mean?

noun

The mucous membrane lining the rectum, or the anal canal. A proctodeum is a small depression at the junction of the anal canal and the rectum.

Example

"The doctor examined the patient's proctodeum to diagnose the cause of the discomfort."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for proctodeum

Rhymes with proctodeum

Etymologically related