a malformed fetus with two lower jaws.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
A malformed fetus with a double mandible.
[G. di-, two, + gnathos, jaw]
Farlex Partner Medical Dictionary © Farlex 2012