optic disk

n.

The small, circular, optically insensitive region in the retina containing no rods or cones, where fibers of the optic nerve emerge from the eyeball.blind spot optic papilla

Nearby words

  1. optic chiasm,
  2. optic chiasma,
  3. optic cup,
  4. optic decussation,
  5. optic disc,
  6. optic foramen,
  7. optic lobe,
  8. optic nerve,
  9. optic neuritis,
  10. optic papilla


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.