Origin
Cricoid cartilage, thyroid cartilage.
Insertion
Pharyngeal raphe.
Blood supply
Ascending pharyngeal artery, inferior thyroid artery.
Nerve supply
Vagus nerve.
Action
This muscle helps to pass the bolus of food downwards in the food pipe.
Disease/Injury
Dysfunction of this muscle causes pain in face, ear, and throat.
Muscle exercise
NA
Interesting facts
NA
