Pharyngeal Constrictors Flashcards

1
Q

Superior Constrictor

A

Origin: lower posterior border of medial pterygoid plate, hamulus, mylohyoid line of mandible, and intervening pteryogomandibular raphe

Insertion: pharyngeal tubercle and pharyngeal raphe

Innervation: CN X (pharyngeal branches)

Action: constrict pharynx

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2
Q

Middle Constrictor

A

Origin: lesser and greater horns of hyoid and lower portion of stylohyoid ligament

Insertion: pharyngeal raphe

Innervation: CN X (pharyngeal branches)

Action: constrict pharynx

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3
Q

Inferior Constrictor

A

Origin: oblique line of thyroid cartilage, cricoid catilage, and teh tendinous arch between them

Insertion: pharyngeal raphe

Innervation: CN X (pharyngeal branches)

Action: constrict pharynx

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