MUSCLES OF PHARYNX

Question 1

Inferior pharyngeal constrictor

Answer 1

O:Oblique line of thyroid cartilage and cricoid cartilage
I:Median raphe of pharynx
N: Vagus nerve via pharyngeal
plexus
A: Constricts wall of pharynx during swallowing

Question 2

Middle pharyngeal constrictor

Answer 2

O:Stylohyoid ligament and horns of hyoid bone
I:Median raphe of pharynx
N:Vagus nerve via pharyngeal plexus
A: Constricts wall of pharynx during swallowing

Question 3

Palatopharyngeus

Answer 3

O:Hard palate, superior palatine
aponeurosis
I:Lateral pharyngeal wall
N: Vagus nerve via pharyngeal
plexus
A:Tenses soft palate; pulls walls of pharynx superiorly, anteriorly, and medially during swallowing

Question 4

Salpingopharyngeus

Answer 4

O:Pharyngotympanic (auditory,
eustachian) tube
I:Side of pharyngeal wall
N:Vagus nerve via pharyngeal
plexus
A:Elevates pharynx and larynx during swallowing and speaking

Question 5

Stylopharyngeus

Answer 5

O:Medial aspect of styloid process
I:Pharyngeal wall
and posterior border of thyroid cartilage
N:Glossopharyngeal nerve (CN IX)
A: Elevates pharynx and larynx during swallowing and speaking

Question 6

Superior pharyngeal constrictor

Answer 6

O:Hamulus, pterygomandibular raphe, mylohyoid line of mandible
I:Median raphe of pharynx
N:Vagus nerve via pharyngeal
plexus
A: Constricts wall of pharynx during swallowing