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单词 cladome
释义

cladomen.

/ˈkladəʊm/
Etymology: < Greek κλάδος branch + -ome comb. form.
The branching arms of a rhabdus sponge spicule collectively.
ΘΚΠ
the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sponge spicule > rhabdus > branching arms of
cladome1887
1887 W. J. Sollas in Encycl. Brit. XXII. 417/1 The secondary rays are the arms or cladi, collectively the head or cladome of the spicule.
1888 W. J. Sollas in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. XXV. p. lvi The ‘cladome’ which consists of the three cladi (rays, teeth, arms).
1940 L. H. Hyman Invertebrates I. vi. 299 The cladome may consist of a simple or scalloped disk instead of cladi.
This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2018).
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n.1887
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