HEAD & NECK: Pharyngeal and palatine muscles

Question 1

PHARYNGEAL CONSTRICTORS

Superior pharyngeal constrictor - origin

Answer 1

Pterygoid hamulus, Pterygomandibular raphe, Posterior end of mylohyoid line of mandible

Question 2

PHARYNGEAL CONSTRICTORS

Superior pharyngeal constrictor - insertion

Answer 2

Pharyngeal tubercle on basilar part of occipital bone

Question 3

PHARYNGEAL CONSTRICTORS

Superior pharyngeal constrictor - innervation

Answer 3

Branches of pharyngeal plexus (CN X)

Question 4

PHARYNGEAL CONSTRICTORS

Superior pharyngeal constrictor - function

Answer 4

Constricts wall of pharynx during swallowing

Question 5

PHARYNGEAL CONSTRICTORS

Middle pharyngeal constrictor - origin

Answer 5

Stylohyoid ligament, Greater and lesser horn of hyoid bone

Question 6

PHARYNGEAL CONSTRICTORS

Middle pharyngeal constrictor - insertion

Answer 6

Median pharyngeal raphe, Blends with superior and inferior pharyngeal constrictors

Question 7

PHARYNGEAL CONSTRICTORS

Middle pharyngeal constrictor - innervation

Answer 7

Branches of pharyngeal plexus (CN X)

Question 8

PHARYNGEAL CONSTRICTORS

Middle pharyngeal constrictor - function

Answer 8

Constricts wall of pharynx during swallowing

Question 9

PHARYNGEAL CONSTRICTORS

Inferior pharyngeal constrictor [Thyropharyngeal part] - origin

Answer 9

Oblique line of thyroid cartilage

Question 10

PHARYNGEAL CONSTRICTORS

Inferior pharyngeal constrictor [Cricopharyngeal part] - origin

Answer 10

Cricoid cartilage

Question 11

PHARYNGEAL CONSTRICTORS

Inferior pharyngeal constrictor [Thyropharyngeal part] - insertion

Answer 11

Median pharyngeal raphe

Question 12

PHARYNGEAL CONSTRICTORS

Inferior pharyngeal constrictor [Cricopharyngeal part] - insertion

Answer 12

Blends inferiorly with circular esophageal fibres

Question 13

PHARYNGEAL CONSTRICTORS

Inferior pharyngeal constrictor - innervation

Answer 13

Branches of pharyngeal plexus (CN X)
Cricopharyngeal part: Also receives branches of external and/or recurrent laryngeal branches of vagus nerve (CN X)

Question 14

PHARYNGEAL CONSTRICTORS

Inferior pharyngeal constrictor - function

Answer 14

Constricts wall of pharynx during swallowing

Question 15

Palatopharyngeus - origin

Answer 15

Posterior border of hard palate, Palatine aponeurosis

Question 16

Palatopharyngeus - insertion

Answer 16

Posterior border of thyroid cartilage, Blends with contralateral palatopharyngeus muscle

Question 17

Palatopharyngeus - innervation

Answer 17

Branches of pharyngeal plexus (CN X)

Question 18

Palatopharyngeus - function

Answer 18

Elevates pharynx superiorly, anteriorly and medially (shortening it to swallow)

Question 19

Salpingopharyngeus - origin

Answer 19

Inferior/cartilaginous part of auditory (Eustachian) tube

Question 20

Salpingopharyngeus - insertion

Answer 20

Blends with palatopharyngeus muscle

Question 21

Salpingopharyngeus - innervation

Answer 21

Branches of pharyngeal plexus (CN X)

Question 22

Salpingopharyngeus - function

Answer 22

Elevates pharynx, Opens auditory tube during swallowing

Question 23

Stylopharyngeus - origin

Answer 23

Medial base of styloid process of temporal bone

Question 24

Stylopharyngeus - insertion

Answer 24

Blends with pharyngeal constrictors, Lateral glossoepiglottic fold, Posterior border of thyroid cartilage

Question 25

Stylopharyngeus - innervation

Answer 25

Glossopharyngeal nerve (CN IX)

Question 26

Stylopharyngeus - function

Answer 26

Elevates pharynx and larynx

Question 27

Levator veli palatini - origin

Answer 27

Petrous part of temporal bone, Inferior/cartilaginous part of auditory tube

Question 28

Levator veli palatini - insertion

Answer 28

Palatine aponeurosis

Question 29

Levator veli palatini - innervation

Answer 29

Pharyngeal plexus (CN X)

Question 30

Levator veli palatini - function

Answer 30

Elevates soft palate (during swallowing)

Question 31

Tensor veli palatini - origin

Answer 31

Scaphoid fossa of pterygoid process, Spine of sphenoid bone, Membranous wall of auditory tube

Question 32

Tensor veli palatini - insertion

Answer 32

Palatine aponeurosis

Question 33

Tensor veli palatini - innervation

Answer 33

Nerve to medial pterygoid (of Mandibular nerve (CN V3))

Question 34

Tensor veli palatini - function

Answer 34

Tenses palatine aponeurosis; Opens pharyngeal opening of auditory tube (during swallowing)