trochophore

trochophore

trochophore ou trochosphère adjectif et nom féminin Se dit de la larve nageuse des annélides, en forme de toupie, pourvue d'un tube digestif, de deux couronnes ciliées locomotrices et d'un pinceau apical.

trochophore [tʀɔkɔfɔʀ] n. f.
ÉTYM. 1904, in Rev. gén. des sc., no 5, p. 247; de trocho-, et suff. -phore.
Zool. Larve d'annélides ou de mollusques, en forme de toupie, à bouche latérale et double couronne de cils, correspondant au premier stade du développement de l'œuf. (On dit aussi trochosphère).

Encyclopédie Universelle. 2012.

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  • trochophore — troch·o·phore …   English syllables

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