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单词 proctodeal
释义

WordReference Random House Unabridged Dictionary of American English © 2024
proc•to•de•um  (prok′tə dēəm),USA pronunciation n., pl. -de•a (-dēə),USA pronunciation -de•ums. [Embryol.]
  1. Developmental Biologya depression in the ectoderm of the anal region of a young embryo, which develops into part of the anal canal.
  • Greek hodaîon, neuter of hodaîos on or by the way; see -ode2, -eum
  • Greek prōkt- proct- + Neo-Latin -odeum
  • Neo-Latin
  • 1875–80
proc′to•deal, adj. 

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更新时间:2024/11/11 6:01:43