单词 | stauractin |
释义 | > as lemmasstauractin stauractin n. Brit. /stɒˈraktɪn/ , /stɔːˈraktɪn/ , /stəˈraktɪn/ , U.S. /stəˈræktən/ , /stɔˈræktən/ (also stauranctine) [Greek ἀκτιν-, ἀκτίς ray] ‘hexactinellid spicules of the dermal sponge-layer in which two of the arms are atrophied, leaving the remaining four in the form of a cross’ ( Cent. Dict. Suppl. 1909).ΘΚΠ the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > class Hexactinellida > [noun] > spicule clavula1887 stauractin1905 1905 Jrnl. Royal Microsc. Soc. 190 The earliest regular form of spicule was the stauractine. < as lemmas |
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