Inferior Pharyngeal Constrictor Muscle
The Inferior pharyngeal constrictor, the thickest of the three constrictors, arises from the sides of the cricoid and thyroid cartilage. Similarly to the superior and middle pharyngeal constrictor muscles, it is innervated by the vagus nerve (cranial nerve X), specifically, by branches from the pharyngeal plexus and by neuronal branches from the recurrent laryngeal nerve.
Read more about Inferior Pharyngeal Constrictor Muscle: Origin and Insertion, Action, Role in Human Disease
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