sterrastern.
/stəˈrastə/ Zoology.
A stellate sponge-spicule having very numerous rays soldered together for the greater part of their length.
ΘΚΠ
the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sponge spicule > star-shaped
stella1828
star1839
stellate1880
sterraster1887
chiaster1888
1887 W. J. Sollas in Encycl. Brit. XXII. 417/2 Connective tissue fibres by which adjacent sterrasters are united together.
1888 W. J. Sollas in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. XXV. p. lxiv.
Derivatives
steˈrrastral adj. pertaining to, or composed of, sterrasters.
ΘΚΠ
the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [adjective] > relating to a sponge > of parts of sponge > relating to star-shaped
sterrastral1888
1888 W. J. Sollas in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. XXV. p. cxliv Thus a strong tough composite sclerose and fibrous layer results, which we shall term the ‘sterrastral layer’.
1900 Proc. Zool. Soc. 130 When a bud is detached, a shallow circular depression remains, the sterrastral crust here being thin.
This entry has not yet been fully updated (first published 1916; most recently modified version published online June 2018).
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n.1887