proctodeum

[ prok-tuh-dee-uh m ]
/ ˌprɒk təˈdi əm /

noun, plural proc·to·de·a [prok-tuh-dee-uh] /ˌprɒk təˈdi ə/, proc·to·de·ums. Embryology.

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

Origin of proctodeum

1875–80; < New Latin < Greek prōkt- proct- + New Latin -odeum < Greek hodaîon, neuter of hodaîos on or by the way; see -ode2, -eum

OTHER WORDS FROM proctodeum

proc·to·de·al, adjective

Words nearby proctodeum

proctocolpoplasty, proctocystoplasty, proctocystotomy, proctodaeum, proctodeal, proctodeum, proctodynia, proctology, proctoparalysis, proctopexy, proctoplasty

Medical definitions for proctodeum

proctodeum

n. pl. proc•to•de•ums

An inward fold on the surface of the embryonic ectoderm that develops into part of the anal passage. anal pit