ora 1

ora1

 [o´rah] (pl. o´rae) (L.)
an edge or margin.
o. serra´ta re´tinae the zigzag margin of the retina.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.