hyomandibular pouch

hyomandibular pouch

[¦hī·ō‚man′dib·yə·lər ′pau̇ch]
(embryology)
A portion of the endodermal lining of the pharyngeal cavity which separates the paired hyoid and mandibular arches in vertebrate embryos.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.