| 释义 |
polytrochal, a. Zool.|pəˈlɪtrəkəl|
[f. mod.L. polytrochus (Ehrenberg) (f. Gr. πολυ-, poly- + τροχός wheel: see below) + -al1.]
a. Having several circlets of cilia, as the larva of a polychæte worm.
b. Belonging to the division Polytrocha of rotifers, in which the trochal disk or ‘wheel’ has several lobes. So polytroch |ˈpɒlɪtrɒk|, a polytrochal animal; poˈlytrochous a. = polytrochal.
1858Mayne Expos. Lex., Polytrochus, applied by G. C. Ehrenberg to two Families..of the Infusoria Rotifera, having many crowns of hairs: polytrochous. 1878Bell Gegenbaur's Comp. Anat. 137 The larvæ of the Chætopoda are divided into mesotrochal, telotrochal, and polytrochal forms. 1890Cent. Dict., Polytroch. |