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单词 pterygoblast
释义

> as lemmas

pterygoblast
pterygoblast n. Zoology Obsolete rare. a rudiment in an embryonic fish from which a fin ray develops.
ΚΠ
1885 J. A. Ryder in Amer. Naturalist 19 201 These rudiments of the embryonic filaments bear a..resemblance to cells found imbedded in the rays of Ceratodus... I will therefore call them pterygoblasts.
extracted from pterygo-comb. form
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as lemmas
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