单词 | epitheca |
释义 | epithecan. Zoology. Categories » A continuous layer surrounding the thecæ in some corals. Derivatives epiˈthecal adj. of, or pertaining to, an epitheca. ΚΠ 1861 J. R. Greene Man. Animal Kingdom II. 190 The development..of an epitheca, cœnenchyma, and other similar structures. 1877 C. W. Thomson Voy. ‘Challenger’ II. i. 51 The external surface of the calicle is covered with a glistering epitheca. epiˈthecate adj. provided with an epitheca. ΚΠ 1883 Athenæum 24 Nov. 673/3 The majority of the corallites of the colony arise from this basal epithecate structure. This entry has not yet been fully updated (first published 1891; most recently modified version published online September 2019). < n.1861 |
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