Constrictor Muscle of Pharynx Structure

**Semantic type:** Body Part, Organ, or Organ Component

**Definition:** One of three muscles that encircle and constrict the pharyngeal lumen to aid in the act of swallowing, either the superior pharyngeal constrictor, the middle pharyngeal constrictor, or the inferior pharyngeal constrictor.

**Synonyms:** - Constrictor muscle of pharynx structure (body structure)