optic_cup
1. [ noun ] (embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina
Synonyms: eyecup
Related terms: calyculus embryology
Similar spelling:   optic_disc
  optic_tract
  optic_chiasm
  optical_disc
  optics
  optic_disk
  optic_axis
  optical
  optic_nerve