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单词 optic cup
释义

> as lemmas

optic cup
optic cup n. (a) Embryology a cuplike depression in the front of the optic vesicle of an embryo that later forms the retina; (b) Anatomy the depression at the centre of the optic disc.
ΚΠ
1882 Proc. Royal Soc. 1881–2 33 114 The main subject dealt with is the nature of the mesoblastic structures entering the cavity of the optic cup, through the choroid slit.
1926 Sci. Monthly Apr. 320/2 One of the early symptoms of increased intracranial pressure was a change in the characteristic appearance of the optic cup.
1974 D. Webster & M. Webster Compar. Vertebr. Morphol. x. 208 During the development of the optic cup the overlying surface ectoderm thickens, forming a lens placode.
extracted from opticadj.n.
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as lemmas
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