nerves

Question 1

continuous coughing in piriform fossa

what nerve

Answer 1

A foreign body, in this case, most likely a fishbone can be lodged in the piriform recess and can cause damage to the internal laryngeal nerve.

Question 2

what nerve motor to cricothyroid

Answer 2

One of the branches of the superior laryngeal nerve is the external laryngeal nerve which is the motor innervation and visceral efferent to the cricothyroid muscle and would not be affected by a bone in the piriform recess.