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Flashcards in Neck Deck (36):
1

Borders of pharynx

base of skull to upper esophageal sphincter

2

attachent point of pharynx muscles

midline raphe

3

innervation of pharynx

CN10 - vagus

4

attachment of inf pharyx constrictor

thyroid and cricoid to raphe

5

attachment of mid pharyx constrictor

hyoid to raphe

6

innervation of stylopharyngeous

CN9- glossopharyngeal

7

3 regions of pharynx and sensory innervations

1. Oro - V2
2. Naso - CN9
3. Laryngeo - CN10

8

5 features of oropharynx

1. pharyngeal tonsil (adenoid)
2. Torus
3. Opening of eustacian tube
4. Salpingopharyngeal fold
5. Tubal tonsil

9

5 features of oropharynx

1. glossoepiglottic folds
2. valleculae
3. lingual tonsil
4. palatine tonsil
5. tonsilar ring of waldeyer

10

2 features of laryngeopharynx

1. piriform fossa
2. aryepiglottic folds

11

Point where food gets stuck in pharynx

vallecula

12

2 folds in larynx

1. vestibular - false
2. vocal - true

13

Area between folds

ventricle

14

membrane making up false fold

quadrangular

15

Main muscles of larynx and their function

1. post. cricoarytenoid - only abductor
2. cricothyroid - tilts cartelage forward

16

Suprahyoid muscles and their innervation (3)

1. mylohyoid - V3
2. stylohyoid - CN7
3. digastric - Cn 7 and V3

17

Infrahyoid muscles and their innervation (4)

1. sternohyoid
2. omohyoid
3. sternothyroid
4. thyrohyoid
All cervical spinal nerves

18

Innervation of intrinsic larynx muslces (motor and sensory)

1. Motor - reccurent laryngeal except cricothyroid (external laryngeal)
2. Sense - Above folds - internal laryngeal
below folds - reccurent laryngeal

19

Blood supply to larynx

common carotid> inf and sup thyroid As

20

venous drainage of larynx (2)

1. sup and mid thyroid veins>internal jugular
2. inf thyroid veins>R brachiocephalic

21

fascia encircling neck

investing fascia

22

muscle superficial to investing layer

platysma

23

3 compartments of neck and covering

1. Neurvascular - carotid sheath
2. visceral - pretracheal fascia
3. vertebral - prevertebral fascia

24

Contents of vertebral comp (4)

1. cervical vert and muscles
2. vert arteries
3. phrenic nerve
4. cervical chain and ganglia

25

location of phrenic nerve

on ant. scalene

26

attachements of scalene muscles

cervical transverse processes to ribs

27

contents of carotid comp. (4)

1. common and int. carotid (not ext)
2. int jugular
3. deep cervical nodes (on jugular)
4. vagus

28

Level of carotid bifurcation

thyroid cartelegde

29

innervation of carotid body and sinus

CN 9 and 10

30

2 types of sense in carotid sinus

1. bromoreceptor - pressure
2. chemoreceptor - oxygen

31

Branches of vagus and destination (3)

1. pharyngeal - motor to pharynx
2. superior laryngeal - int and ext.
3. cardiac - para to heart

32

contents of visceral compartement (6)

1. larynx
2. Thyroid
3. parathyroid
4. trach.
5. esophag
6. recurrent laryngeal

33

Parts of thyroid (3)

1. ithsmus
2. lobes
3. pyramidal lobe (sometimes)

34

blood supply to thyroid

1. sup thyroid - ext carotid
2. inf. thyroid - subclavian
3. Ima (sometimes) - arch

35

Muscles in investing layer (2)

1. trapezius
2. sternocleidomastoid

36

Innervation of muscles of investing layer

CN 11 - but technically cervical through the route

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