Which of the following is known as "Gateway of tears"?
Inferior constrictor muscle has two pas: Thryopharygeus with oblique fibres Cricopharyngeus with transverse fibres Between these two pas exists a potential gap called Killian&;s Dehiscence also called "Gateway of tears" - As perforation can occur at this site during esophagectomy. (Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg no. 310)
Killian's dehiscence
Rathke's pouch
Waldeyer's ring
Sinus of Morgagni
Oral cavity & Oesophagus