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Spinal Anatomy I - Exam 3 > Scalp > Flashcards

Flashcards in Scalp Deck (45):
1

What are the boundaries for the scalp?

- anterior: supraorbital margins of the frontal bone
- posterior: superior nuchal line
- lateral: zygomatic arch

2

What can the five layers of the scalp spell?

- Skin
- Connective tissue
- Aponeurosis
- Loose connective tissue
- Periosteum
(SCALP)

3

What are the major constituents of the fiver layers of the scalp?

- skin
- neurovascular
- muscular
- loose connective tissue
- periosteum

4

What is contained in the skin layer?

- hair follicles
- sebaceous glands
- sweat glands

5

What are the principal sources of blood to the scalp?

internal carotid and external carotid artery branches

6

What branches of the external carotid artery ramify in the scalp?

- occipital
- posterior auricular
- superficial temporal

7

What specific branches from the internal carotid artery branch pattern supply the scalp?

supraorbital and supratrochlear branches of the ophthalmic artery

8

What veins drain the scalp?

- superficial temporal
- posterior auricular
- occipital
- ophthalmic

9

What will the superficial temporal vein drain into or become?

retromandibular vein

10

What will the posterior auricular vein drain into or become?

external jugular vein

11

What will the occipital vein drain into or become?

vertebral vein

12

What will the ophthalmic vein drain into or become?

cavernous dural venous sinus

13

What do somatic afferent pathways monitor?

- pain
- temperature
- light touch
- proprioception

14

Branches of nerves from what parts of the CNS innervate the scalp?

both cranial and spinal nerves

15

What name is given to the trigeminal nerve?

the great sensory nerve of the face

16

Identify each branch of the fifth cranial nerve.

- ophthalmic
- maxillary
- mandibular

17

Which divisions of the trigeminal nerve receive sensory information from the scalp?

all 3

18

Which divisions of the trigeminal nerve contain somatic afferent pathways?

all 3

19

What part of the scalp is innervated by the ophthalmic division of the trigeminal nerve?

scalp above the orbit

20

What part of the scalp is innervated by the maxillary division of the trigeminal nerve?

scalp above the zygomatic arch

21

What part of the scalp is innervated by the mandibular division of the trigeminal nerve?

scalp above and behind the ear

22

Which trigeminal nerve division branches receive sensory informaton from the scalp?

- ophthalmic nerve - frontal nerve: supraorbital and supratrochlear branches
- maxillary nerve - zygomatic nerve
- mandibular nerve - auriculotemporal nerve

23

Which ophthalmic division, trigeminal nerve branches innervate the scalp?

- supraorbital n.
- supratrochlear n.

24

Which maxillary division, trigeminal nerve branch innervates the scalp?

zygomatic n.

25

Which mandibular division, trigeminal nerve branch innervates the scalp?

auriculotemporal n.

26

Which ventral rami branches supply the scalp?

- greater auricular n., C2, C3 ventral rami
- lesser occipital n., C2 (C3) ventral rami

27

Which dorsal ramus nerve branch supplies the scalp?

greater occipital n., C2, C3 communicating ramus

28

What spinal cord levels innervate the scalp?

C2 and C3

29

Motor pathways to skeletal muscle derived from the branchial arches are given what name?

Branchial Efferent (BE) pathways

30

What type of motor fibers to skeletal muscle are given off by the facial nerve?

branchial efferent (BE)

31

Within the parotid gland what does the facial nerve form?

the facial nerve plexus

32

What specific branches of the facial nerve plexus provide motor innervation to the scalp?

- temporal
- zygomatic
- posterior auricular

33

What muscles associated with the scalp will be innervated by the temporal, zygomatic, and posterior auricular nerves?

- epicranius
- superior group of muscles of the ear

34

What are the lymph nodes located along the base of the head collectively called?

collar chain nodes

35

What specific lymph nodes at the base of the head are identified in scalp drainage patterns?

- submental
- submandibular
- parotid
- retromandibular (mastoid)
- occipital

36

What appears to be unique about the fat associated with the scalp?

- very stable volume
- does not appear to store fat or allow depletion of fat

37

What would the fat of the scalp primarily do?

serves as an insulation blanket

38

What is the third layer of the scalp associated with?

muscular component of the scalp

39

What muscles are specifically associated with the scalp?

frontalis and occipitalis bellies of the epicranius muscle

40

What nerve innervates each belly of the epicranius muscle?

- frontalis belly: temporal nerve
- occipitalis belly: posterior auricular nerve

41

The bellies of the epicranius muscle are connected by what structure?

galea aponeurosis

42

What specific nerves provide motor control to the scalp muscle?

facial nerve: posterior auricular and temporal branches

43

What is the fourth layer of the scalp?

loose connective tissue layer

44

What is the fifth layer of the scalp?

pericranium

45

What is the pericranium?

periosteum covering the calva

Decks in Spinal Anatomy I - Exam 3 Class (94):