branchial pouch

noun Embryology.
  1. one of a series of rudimentary outcroppings of the inner pharyngeal wall, corresponding to the branchial grooves on the surface.
Also called gill pouch, pharyngeal pouch.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

branchial pouch in Medicine

branchial pouch

n.
  1. pharyngeal pouch
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.