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单词 trochosphere
释义

> as lemmas

trochosphere
trochosphere n.
Brit. /ˈtrɒkə(ʊ)sfɪə/
,
U.S. /ˈtrɑkəˌsfɪ(ə)r/
a larval form constituting a stage in the development of most molluscs and of certain worms, esp. marine annelids, characterized by a spheroidal body with a ring of cilia; also attributive.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > Trochozoa > [noun] > member of
trochosphere1883
trochozoon1890
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > Trochozoa > [adjective] > relating to or having form of a trochosphere
trochosphere1883
trochospheric1899
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Mollusca > [noun] > mollusc or shell-fish > larva
veliger1877
trochosphere1883
1883 E. R. Lankester in Encycl. Brit. XVI. 648/1 [In the Limpet the] Diblastula..acquires a ciliated band, and becomes a nearly spherical Trochosphere.
1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 454 The Mollusca with the exception of Cephalopoda pass through a typical larval development, in two stages—a Trochosphere and a Veliger stage.
extracted from trocho-comb. form
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as lemmas
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更新时间:2024/12/23 23:50:09