limbus

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Related to Limbus fossae ovalis: conus arteriosus, Septomarginal trabecula

limbus

[′lim·bəs]
(biology)
A border clearly defined by its color or structure, as the margin of a bivalve shell or of the cornea of the eye.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.