Nerve liable to get injured on removing the fish bone from pyriform fossa:-: (A) Superior laryngeal nerve, (B) Internal laryngeal nerve, (C) External laryngeal nerve, (D) Recurrent laryngeal nerve
Answer is B. Pyriform fossa is located on the side of epiglottis. It is supplied by Internal laryngeal nerve. Hence this nerve is liable to get injured while removing a fish bone from pyriform fossa. .