<prompt> All the following structures pass through Sinus of Morgagni exceptAuditory tubeAscending Palatine aeryTensor Veli PalatiniPalatine branch of Ascending Pharyngeal aery  <response>: The large gap between the upper concave border of the superior constrictor and the base of the skull is semilunar and is known as the sinus of Morgagni. It is closed by the upper strong pa of the pharyngobasilar fascia.The structures passing through this gap are: a The auditory tube; b the levator veli palatini muscle; and c the ascending palatine aeryReference: Dutta Head and Neck; 5th edition; Page no: 295 