retina

retina definition - medical

ret·i·na (rĕtˈn-ə)

noun pl. ret·i·nas or ret·i·nae (rĕtˈn-ēˌ)
The delicate multilayered light-sensitive membrane lining the inner posterior chamber of the eyeball containing the rods and cones and connected by the optic nerve to the brain.

Related Forms:

  • retˈi·nal adjective

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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