optic cup

/ˌɑptɪk kəp/
IPA guide

Other forms: optic cups

Definitions of optic cup
  1. noun
    (embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina
    synonyms: eyecup
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    type of:
    caliculus, calycle, calyculus
    a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp)
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