optic cup

English Thesaurus

1. (embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina (noun.animal)

hypernym	:	caliculus, calycle, calyculus,
definition	:	a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp) (noun.animal)

domain category	:	embryology,
definition	:	the branch of biology that studies the formation and early development of living organisms (noun.cognition)