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单词 rectum
释义

WordReference Random House Learner's Dictionary of American English © 2024
rec•tum /ˈrɛktəm/USA pronunciation   n. [countable], pl. -tums, -ta /-tə/.USA pronunciation  
  1. Anatomythe straight, final part of the large intestine, ending in the anus.
See -rect-.
WordReference Random House Unabridged Dictionary of American English © 2024
rec•tum  (rek′təm),USA pronunciation n., pl. -tums, -ta (-tə).USA pronunciation [Anat.]
  1. Anatomythe comparatively straight, terminal section of the intestine, ending in the anus. See diag. under intestine. 
  • Neo-Latin rēctum (intestīnum) the straight (intestine)
  • 1535–45

Collins Concise English Dictionary © HarperCollins Publishers::
rectum /ˈrɛktəm/ n ( pl -tums, -ta / -tə/)
  1. the lower part of the alimentary canal, between the sigmoid flexure of the colon and the anus
Etymology: 16th Century: shortened from New Latin rectum intestinum the straight intestine
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更新时间：2025/2/23 1:56:38