proctodeum
noun
a depression in the ectoderm of the anal region of a young embryo, which develops into part of the anal canal.
proctodeal
-
a word derived from
proctodeum.
Example Sentences
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In 2026, researchers highlighted images and video of western drywood termites performing proctodeal trophallaxis, a feeding behavior in which one termite receives material from another termite's hindgut.
From Science Daily ● Sep. 19, 2026
