pharyngeal cleft


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Related to pharyngeal cleft: Reichert's cartilage

pharyngeal cleft

or pharyngeal groove
n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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These cyst can neither be a branchial cyst from second pharyngeal cleft nor be a Rathke's pouch.
Theories regarding the pathogenesis of the various BAs include the incomplete obliteration of the pharyngeal clefts, as suggested by Ascherson in 1832, (16) the precervical sinus theory suggested by His in 1886, (17) the thymopharyngeal theory put forth by Wenglowski in 1912, (18) and cystic degeneration of lymph nodes suggested by Luschka in 1848.