Zoology. The protective case or sheath of some infusorians and rotifers; also applied to the carapace of crustaceans.
| 单词 | θ31748 |
| 释义 | the world > animals > invertebrates > protozoa > class Infusoria > [noun] > member of > parts of > sheath produced or inhabited by (2) lorica1856 Zoology. The protective case or sheath of some infusorians and rotifers; also applied to the carapace of crustaceans. zoothecium1880 an aggregate of the fused shells or protective sheaths of certain aquatic colonial protozoans; cf. polythecium, n., zoodendrium, n. |
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