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单词 nephridium
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ne•phrid•i•um  (nə frid′ē əm),USA pronunciation n., pl. -phrid•i•a (-frid′ē ə).USA pronunciation [Zool.]
  1. Zoology, Invertebratesthe excretory organ of many invertebrates, consisting of a tubule with one end opening into the body cavity and the other opening into a pore at the body surface.
  • Neo-Latin; see nephr-, -idium
  • 1875–80
ne•phrid′i•al, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
nephridium /nɪˈfrɪdɪəm/ n ( pl -ia / -ɪə/)
  1. a simple excretory organ of many invertebrates, consisting of a tube through which waste products pass to the exterior
Etymology: 19th Century: New Latin: little kidney
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更新时间：2024/11/11 9:52:30