51Թ

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proctodeum

[ prok-tuh-dee-uhm ]

noun

Embryology.
plural proctodea proctodeums.
  1. a depression in the ectoderm of the anal region of a young embryo, which develops into part of the anal canal.


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Other 51Թ Forms

  • dzt·a adjective
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51Թ History and Origins

Origin of proctodeum1

First recorded in 1875–80; from New Latin, from Greek ō- proct- ( def ) + New Latin -odeum, from Greek ǻ岹îDz, neuter of ǻ岹îDz “on one's journey or way”; -ode 2, -eum

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