单词 | thecostome |
释义 | > as lemmasthecostome thecostome n. Brit. /ˈθiːkə(ʊ)stəʊm/ , U.S. /ˈθikəˌstoʊm/ the orifice of the hydrotheca in calyptoblastic hydroids. [Compare French thécostome (1825 or earlier).] ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Hydrozoa > order Campanulariae > genus Campanularia > member of > orifice of hydrotheca thecostome1883 1883 Rep. Sci. Results Voy. H.M.S. Challenger: Zool. VII. xx. 7 On either side of the hydrotheca, nearly on a level with its orifice or thecostome. < as lemmas |
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