Skull, Face and Neck Flashcards Preview

Clinical Human Anatomy: Head and Neck > Skull, Face and Neck > Flashcards

Flashcards in Skull, Face and Neck Deck (45):
1

Surrounds the brain

neurocranium

2

skullcap

calvaria

3

suture bewtween occipital and pariatal bones

Lambdoid

4

What is the leading cause of facial injuries?

motor vehicle accidents

5

Le Fort I involves

maxillary bone

6

Le Fort II involves

nasal/maxillary/ still stable

7

Le Fort III

across orbital and zygomatic, movable face

8

layers of scalp

Skin
CT
Aponeurosis
Loose connecti e
Pericranium

9

where does the nerve and blood supply in scalp lay?

CT layer

10

type of CT in scalp

dense

11

Connects epicranius to occipitalis

aponeurosis

12

What layer seperates easily from 3 previous ones?

Loose CT

13

Which layer facilitates spread of infection?

loose CT via emnissary veins

14

How many layers does pericranium have?

2: epicranium and endocranium

15

If a scalp wound gapes, which layer has it penetrated?

aponeurosis

16

Hold bolus of food against cheek and prevents cheeck from falling in

Buccinator

17

Obicularis oculi and obicularis oris are what time of muscle

smooth muscle, sphincter

18

What are the two parts of the orbiularis oculi?

orbital and palpebral

19

What 4 muscle make a smile

zygomaticus major and minor
levator labi superious

20

three superficial layers of facial expression

occipitalis m.
auricular m.
platysma m.

21

Where does the facial nerve emerge from?

stylomastoid foramen

22

What branches are given off by facial nerve?

Posterior auricular
:temporal/zygomatic/buccal/marginal mandibular/ cervicle

23

What nerve innervates platysma?

cervicle branch of CN VII

24

Damage to muscles of facial expreesion if CN VII is damaged distal to stylomastoid foramen

Bells Palsy

25

Is there a C1 dermatome?

no

26

What provides sensory to face?

V1, 2, 3 and C2 and C3

27

Branches of V3

Mental
Buccal
Auriculotemporal

28

Branches of V2

Infraorbital
Zygomaticofacial
Zygomaticotemporal

29

Branches of V1

Supraorbital
Supratrochlear
palpebral branch of lacrimal
from anterior ethmoid

30

Where does Trigeminal nerve emerge from?

from brainstem at mid-pons level

31

Where do the NCB of the trigeminal lay?

Trigeminal ganglion

32

Where does the Blood supply for face and scalp come from?

External carotid and Internal carotid artery

33

What branches of facial blood supply comes from internal carotid

supratrochlear and Supraorbital

34

What branches of facial blood supply come from external carotid

FAcial artery
Superficial temporal and transverse facial

35

where can you feel the pulse of facial artery?

Anterior to masseter mscl

36

What veins feed into the retromandibular vein?

Superficial Temporal v + Maxillary v

37

What drains into external jugular vein?

Posterior branch of retromandibular + auricular vein

38

What drains into internal jugular vein?

anterior branch of retromandibular + facial vein

39

Facial vein communicates with what vein?

Superior opthalmic vein

40

Superior vein drains into ?

cavernous sinus

41

lymph nodes located?

deep to SCM

42

Function of tensor tympani m.

decreases the oscillations and dampens loud noise

43

What innervates the tensor typmani m.

Trigeminal nerve

44

Function of stapedius muscle

prevents overcontracting of the stapes. Stops really loud noises

45

CC: hyperacuosus

when stapedius muscle isn't working~ innervated by CN VII