单词 | clitellum |
释义 | clitellum /kluy tel"euhm/, n. , pl. clitella /-tel"euh/. a ring or saddle-shaped region of glandular tissue in the body wall of certain annelids, as earthworms and some leeches, that after copulation secretes a cocoon in which the eggs and sperm are deposited for fertilization and development. [1830-40; < NL, neut. n. based on L clitellae packsaddle] |
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