pterygoquadrate
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pterygoquadrate
[¦ter·ə·gō′kwä‚drāt] (embryology)
Of, pertaining to, or being the first branchial arch in lower vertebrate embryos; gives rise to most of the upper jaw.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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