Tags: Anatomical Structure, 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.
