单词 | prototheca |
释义 | > as lemmasprototheca prototheca n. Brit. /ˌprəʊtəˈθiːkə/ , U.S. /ˌproʊdəˈθikə/ Zoology (in a stony coral) a cup-shaped basal skeletal plate which is formed at the start of the development of the colony.ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Anthozoa Actinozoa > order Zoantharia > suborder Madreporaria > member of > cup-shaped part of colony prototheca1904 1904 H. M. Bernard in Ann. & Mag. Nat. Hist. 13 4 The parent colony of a calicle rises out of a basal cup—the Prototheca... The term ‘prototheca’ was suggested to me in conversation by my friend Prof. Jeffrey Bell. 1935 W. H. Twenhofel & R. R. Shrock Invertebr. Paleontol. iv. 78 The embryonic skeleton of a typical coelenterate has the shape and appearance of a little, hollow, conical cup and is known as the prototheca. 1992 Paleobiology 18 477/2 The initial stage of postlarval development of..archaeocyathans consists of a tiny, aporous, cup-shaped prototheca. < as lemmas |
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