optic cup

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optic cup

[′äp·tik ‚kəp]
(embryology)
A two-layered depression formed by invagination of the optic vesicle from which the pigmented and sensory layers of the retina will develop.
References in periodicals archive ?
In a petri dish, the cells spontaneously bulged to form a bubble called an eye vesicle, which folded back on itself to create a half-millimetre-wide pouch layered with retinal cells the optic cup.