proctodeum

American  

[prok-tuh-dee-uhm] / ˌprɒk təˈdi əm /

noun

Embryology.

proctodea, plural proctodeums plural

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

---

Other Word Forms

Derived Forms

• proctodeal
  adjective

Inflected Forms

Nouns

• proctodea
  plural
• proctodeums
  plural

Etymology

Origin of proctodeum

First recorded in 1875–80; from New Latin, from Greek prōkt- proct- ( def. ) + New Latin -odeum, from Greek hodaîon, neuter of hodaîos “on one's journey or way”; see -ode ², -eum