Pharyngeal-pouch



noun
1.
.
noun, Embryology.
1.
one of a series of rudimentary outcroppings of the inner pharyngeal wall, corresponding to the branchial grooves on the surface.

pharyngeal pouch n.
Any of the paired evaginations of embryonic pharyngeal endoderm that give rise to epithelial tissues and organs such as the thymus and thyroid glands. Also called branchial pouch.

branchial pouch n.
See pharyngeal pouch.

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