| 单词 | theca |
| 释义 | theca —thecal, adj. /thee"keuh/, n. , pl. thecae /-see/. 1. a case or receptacle. 2. Bot. , Mycol. a. a sac, cell, or capsule. b. a sporangium. 3. Anat. , Zool. a case or sheath enclosing an organ, structure, etc., as the horny covering of an insect pupa. [1655-65; < L theca < Gk théke case, cover, akin to tithénai to place, put] |
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