maxilla(redirected from Frontal process of maxilla)
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1. the upper jawbone in vertebrates
2. any member of one or two pairs of mouthparts in insects and other arthropods used as accessory jaws
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The upper jawbone.
The upper jaw.
Either of the first two pairs of mouthparts posterior to the mandibles in certain arthropods.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.