quadrate bone
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Related to quadrate bone: Hyomandibular, quadrate muscle
quadrate bone
[′kwä‚drāt ‚bōn] (vertebrate zoology)
A small element forming part of the upper jaw joint on each side of the head in vertebrates below mammals.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.