[ prok-tuh-dee-uhm ]

noun,plural proc·to·de·a [prok-tuh-dee-uh], /ˌprɒk təˈdi ə/, proc·to·de·ums.Embryology.
  1. a depression in the ectoderm of the anal region of a young embryo, which develops into part of the anal canal.

Origin of proctodeum

First recorded in 1875–80; from New Latin, from Greek prōkt- proct- + New Latin -odeum, from Greek hodaîon, neuter of hodaîos “on one's journey or way”; see -ode2, -eum

Other words from proctodeum

  • proc·to·de·al, adjective

Words Nearby proctodeum Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024