530 likes | 984 Views
Embryology. Branchial anomalies result from improper development of the branchial apparatusBranchial apparatus develops 2nd-6th weekNeck is shaped like a hollow tube with circumferential ridges = Arches (mesoderm)Ridges between arches = Clefts and PouchesClefts = outside (ectoderm)Pouches = i
E N D
1. BRANCHIAL ANOMALIES David Gleinser, MD Harold Pine, MD University of Texas Medical Branch (UTMB)Department of OtolaryngologyGrand Rounds PresentationSeptember 30, 2011