Cupid's Bow Variant

A fanciful term for the normal smooth parasagittal biconcavity of the caudal face of the 3rd, 4th, and 5th lumbar vertebrae, in which the bow pointing anteriorly mimics the curvature of Cupid's bow aimed cephalad. The unusual curved surface of the inferior endplate is a normal variant not to be misinterpreted as pathological
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.