Which of the following causes opening of eustachian tube
The medial fibres of tensor veli palatine are attached to the lateral lamina of the tube and when they contract they help to open the tube lumen. These fibres also called dilator tube muscles. Reference: Dhingra 6th edition.
Salpingopharyngeus
Levator veli palatine
Tensor veli palatine
None of the above
Ear