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单词 optic vesicle
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> as lemmas

optic vesicle
optic vesicle n. Embryology either of a pair of vesicles connected with the forebrain of an embryo, from which the optic nerve and retina are developed.
ΚΠ
1850 H. Gray in Philos. Trans. (Royal Soc.) 140 190 From the most anterior one there arose a protrusion on each side, having a somewhat dilated extremity: this protrusion I will call the optic vesicle.
1929 S. Duke-Elder Recent Adv. in Ophthalmol. (ed. 2) iii. 104 As the primary optic vesicle invaginates, two layers are formed.
1989 B. Alberts et al. Molecular Biol. Cell (ed. 2) xvii. 953 (caption) The outer part of the optic vesicle invaginates, reducing the vesicle lumen to an interface between two layers.
extracted from opticadj.n.
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