________ Internal branchial sinus
A)First pharyngeal pouch
B)Second pharyngeal pouch
C)Third pharyngeal pouch
D)Fourth pharyngeal pouch
E)Fifth pharyngeal pouch

Question

Quizplus · Accepted Answer

Internal branchial sinuses open into the pharynx.They commonly are derived from a remnant of the second pharyngeal pouch;hence,they typically open into the intratonsillar fossa,the remains of the opening into the second pharyngeal pouch.

________ Internal Branchial Sinus