True about pharyngeal diveicula are all excep
Correct Answer: Lies in the anterior wall of pharynx
Description: Killians dehiscence is a weak pa in the posterior wall of the pharynx which lies at the level of vocal folds or upper border of the cricoid lamina and is limited inferiorly by the thick cricopharyngeal sphincter.Pharyngeal diveicula results due to outpouching of the dehiscenceTwo pas of the inferior constrictor has different nerve supplies, propulsive thyropharyngeus by the pharyngeal plexus and the sphincter cricopharyngeus by the recurrent laryngeal nerve so there is possibility of neuromuscular incoordination. If cricopharyngeus fails to relax and the thyropharyngeus contracts bolus of food may be pushed backwards and tends to produce a diveiculum
Category:
Anatomy
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now