单词 | tracheid |
释义 | tracheid —tracheidal /treuh kee"i dl, tray'kee uyd"l/, adj. /tray"kee id/, n. Bot. an elongated, tapering xylem cell having lignified, pitted, intact walls, adapted for conduction and support. Cf. vessel (def. 5). [1870-75; TRACHE(A) + -ID3] |
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