Science Dictionary
choroid   (kôr'oid')  Pronunciation Key 
Noun   The dark-brown vascular coat of the eye between the sclera and the retina.

  1. Resembling the chorion; membranous.

  2. Relating to or involving the choroid of the eye.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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