| 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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