19 - Pharynx & Larynx Flashcards Preview

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Flashcards in 19 - Pharynx & Larynx Deck (71)
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1

This extends between the rami of the mandible and the base of the cranium.

Pharynx

2

The pharynx has 3 divisions, which are...

Nasopharynx
Oropharynx
Hypopharynx

3

This division of the pharynx opens into the nasal cavity.

Nasopharynx

4

This division of the pharynx opens into the oral cavity.

Oropharynx

5

This division of the pharynx is a continuation into the larynx and esophagus.

Hypopharynx

6

Muscles of mastication pass on either side of the ________ in the infratemporal fossa from cranium to mandible.

Pharynx

7

Posteriorly the pharynx is in contact with the _______ _______ of the somatic neck.

Prevertebral fascia

8

What marks the beginning of the nasopharynx?

Nasal choanae

9

What is the floor of the nasopharynx formed by?

Soft palate

10

What is the nasopharynx relation posteriorly?

Atlas

11

What is the nasopharynx relation superiorly?

Basilar occipital bone

12

What opens on the lateral wall of the nasopharynx?

Auditory tube

13

The cartilaginous wall of the auditory tube creates the _______ _______.

Torus tubarius

14

This muscle of the nasopharynx originates from the auditory tube and raises the pharynx during swallowing. It is covered by the salpingopharyngeal fold.

Salpingopharyngeus muscle

15

These are embedded in the posterior wall of the nasopharynx and regress by 8 years. Often get removed.

Pharyngeal tonsils (AKA adenoids)

16

The faucial pillars in the oropharynx are composed of what two muscles?

Palatoglossus muscle
Palatopharyngeus muscle

17

This lies between diverging fauces and contain palatine tonsils. It is related to space between superior and middle pharyngeal constrictors and represents the second pharyngeal pouch.

Tonsillar fossae

18

Where do tonsilar arterial branches come from?

Maxillary artery
Facial artery
Lingual artery

19

This is a ring of lymphoid tissue around the pharynx that includes: pharyngeal tonsils, palatine tonsils, tubal tonsils, and lingual tonsils.

Waldeyer's ring

20

Pharyngeal musculature consists of three overlapping _________ and three diagonal muscles.

Constrictors

21

The pharyngeal musculature meet posteriorly at the ________ _______. They overlap constrictor muscles and have lateral gaps that occur between the constrictor muscles anteriorly.

Pharyngeal raphe

22

What is the pharyngeal musculature used for?

Swallowing

23

This part of pharyngeal musculature lies deep to mandibular ramus in infratemporal fossa. It is attached to the pterygoid plate and mandibular and maxillary alveolar processes. Posteriorly, it's attached to the pharyngeal tubercle of the occipital bone.

Superior constrictor

24

The superior edge of the superior constrictor is free, creating a narrow space below the base of the cranium. This provides passage for what?

Auditory tube

25

This part of pharyngeal musculature arises anteriorly from the stylohyoid ligament and horns of hyoid bone. Its fibers pass posteriorly to the pharyngeal raphe.

Middle constrictor

26

The middle constrictor is separated from the superior constrictor by a gap. This gap provides passage for what 3 things?

Stylopharyngeus muscle
Pharyngeal branch of CN IX
Tonsilar branch of facial artery

27

This part of pharyngeal musculature fans out superiorly but becomes more tubular inferiorly. Its fibers insert posteriorly on pharyngeal raphe.

Inferior constrictor

28

The inferior constrictor has a __________ portion that functions as a sphincter at the superior end of the esophagus.

Cricopharyngeus

29

The gap above the superior pharyngeal constrictor is closed by what?

Pharyngobasilar fascia

30

What traverses the gap above the superior pharyngeal constrictor?

Auditory tube