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单词 columella
释义 columella
 —columellar,  adj.   —columellate /kol'yeuh mel"it, -ayt/,  adj.  
 /kol'yeuh mel"euh/,  n.  ,  pl.   columellae /-mel"ee/. Biol.
  1. -
   a. any of various small, columnlike structures of animals or plants; rod or axis.
   b.  Mycol.   a small central column of sterile tissue within the sporangium of certain fungi, liverworts, and mosses.
  2. a small bone in the ear of amphibians, reptiles, and birds.
 [1575-85; < L: small column, equiv. to colum- (var. of column-, s. of columna COLUMN) + -ella -ELLE]
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更新时间:2024/9/22 1:00:55