Pharynx: Non-Constrictor Muscles

Question 1

Non-constrictor muscles

Answer 1

1. Stylopharyngeus
2. Palatopharyngeus
3. Salpingopharyngeus

Question 2

Stylopharyngeus origin

Answer 2

Medial side of styloid process base

Question 3

Palatopharyngeus origin

Answer 3

Upper surface palatine aponeurosis

Question 4

Scalpingopharyngeus origin

Answer 4

Tubal elevation (cartilaginous edge of auditory tube opening)

Question 5

Non-constrictor muscles insertion

Answer 5

Pharynx wall and thyroid cartilage posterior border

Question 6

Non-constrictor muscles nerve supply

Answer 6

Pharyngeal plexus (cranial root accessory via pharyngeal branch vagus) except Stylopharyngeus (Glossopharyngeal nerve)

Question 7

Non-constrictor muscles action

Answer 7

Elevates and shortens pharynx during swallowing