from The Century Dictionary.
- Ciliated embryos of the polychætous annelids, in which the cilia form a broad zone around the body, leaving each end free of cilia, excepting, in some cases, a tuft on the head. See mesotrocha, telotrocha.
- In Rotifera, a group of wheel-animalcules having no cilia and the lobes highly modified in shape; the wheelless rotifers.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Zoöl.) A kind of chætopod larva in which no circles of cilia are developed.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun zoology A kind of
chaetopod larvain which no circlesof ciliaare developed.
from Wiktionary, Creative Commons Attribution/Share-Alike License
From Ancient Greek a- privative + a circle.
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