6 Muscles of the Pharynx Flashcards
Insertion of superior pharyngeal constrictor m?
Midline pharyngeal raphe
Origin of the superior pharyngeal constrictor m?
Pterygomandibular ligament (posterior to buccinator m)
Innervation of superior pharyngeal constrictor m?
CN X (Vagus), pharyngeal branch
Action of superior pharyngeal constrictor m?
Narrow pharynx and assist with velopharyngeal closure
What does Passavant’s Pad do?
Assists with closing off the nasal cavity
Origin of middle pharyngeal constrictor m?
Hyoid bone
Insertion of middle pharyngeal constrictor m?
Midline pharyngeal raphe
Innervation of the middle pharyngeal constrictor m?
CN X (Vagus), pharyngeal branch
Action of middle pharyngeal constrictor m?
Narrow oropharynx
Origin of inferior pharyngeal constrictor m?
Thyroid cartilage (oblique line)
Insertion of inferior pharyngeal constrictor m?
Midline pharyngeal raphe
Innervation of inferior pharyngeal constrictor m?
CN X (Vagus), pharyngeal branch
Action of inferior pharyngeal constrictor m?
Narrow hypopharynx
Origin of cricopharyngeus m?
Cricoid cartilage
Insertion of cricopharyngeus m?
Midline pharyngeal raphe
Innervation of cricopharyngeus m?
CN X (Vagus), pharyngeal branch
Action of cricopharyngeus m?
Keeps opening to esophagus closed and only opens for swallow.
What is the cricopharyngeus m also known as?
Upper esophageal sphincter (UES)
Origin of the salpingopharyngeus m?
Eustachian tube
Insertion of salpingopharyngeus m?
Palatopharyngeus m and lateral pharyngeal wall
Innervation of salpingopharyngeus m?
CN X (Vagus), pharyngeal branch
Action of salpingopharyngeus m?
Raise and dilate pharynx
Origin of stylopharyngeus m?
Styloid process of temporal bone
Insertion of stylopharyngeus m?
Lateral pharyngeal walls and thyroid cartilage
