单词 | epitrichial |
释义 | > as lemmasepiˈtrichial epiˈtrichial adj. ΚΠ 1882 Proc. Boston Soc. Nat. Hist. 21 iii. 301 The surface is covered by a thin ‘epitrichial’ layer of large, flat, polygonal cells more or less granular, with inconspicuous nuclei. 1887 A. C. Haddon Introd. Study Embryol. 100 The epidermis of Amphioxus permanently remains as a single layer. In all other embryo Vertebrates, the epiblast, from being single, becomes double layered, owing to the primitive epiblast giving rise to a layer of flattened epithelial cells, the epitrichial layer. < as lemmas |
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