laryngopharygeus (upper esophageal sphincter, cricopharyngeus)

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Introduction

Inferior constrictor muscle of pharynx; lowest part of outer circular muscle layer of pharynx.

Origin

Insertion

pharyngeal raphe in the posterior wall of the pharynx

Action

Innervation

pharyngeal plexus

More general terms

References

  1. Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999