Sinus of Morgagni is present in
High-Yield Explanation
It is a space between the base of the skull and upper free border of superior constrictor muscle. Through it enters the 1. Eustachian tube 2. Levator veli palatine 3. Tensor Veli palatine 4. Ascending palatine aery (facial aery). (Ref: Diseases of ENT, PL Dhingra, 7th edition, pg no. 271)