| 单词 | proctodeum |
| 释义 | proctodeum[ prok-tuh-dee-uhm ] / 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 proctodeumFirst 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 proctodeumproc·to·de·al, adjectiveWords nearby proctodeumproctocolpoplasty, proctocystoplasty, proctocystotomy, proctodaeum, proctodeal, proctodeum, proctodynia, proctologist, proctology, proctoparalysis, proctopexy Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Medical definitions for proctodeumproctodeum n. pl. proc•to•de•umsAn inward fold on the surface of the embryonic ectoderm that develops into part of the anal passage.anal pit The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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