| 单词 | urochord |
| 释义 | urochord —urochordal, adj. /yoor"euh kawrd'/, n. Zool. the notochord of an ascidian or tunicate, more conspicuous in the larva than in the adult and confined chiefly to the caudal region. [1875-80; URO-2 + CHORD1] |
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