Origin
Thyroid and cricoid cartilage.
Insertion
Pharyngeal raphe.
Blood supply
Ascending pharyngeal artery, inferior thyroid artery.
Nerve supply
Vagus nerve.
Action
It constricts the pharynx and helps to pass the bolus of food downwards in the food pipe.
Disease/Injury
Stress, strain, inflammation or dysfunction of the muscle can hamper the swallowing action of the pharynx.
Muscle Exercise
NA
Interesting Facts
NA
