Scalp

Question 1

5 layers of the scalp

Answer 1

• Skin
• Connective tissue (dense)
• Aponeurosis and m
• Loose connective tissue
• Pericranium

Question 2

boundaries of the scalp

Answer 2

• anterior: supraorbital margins
• posterior: external occipital protuberance and superior nuchal line
• lateral: zygomatic arches

Question 3

skin

Answer 3

• hair follicles, sweat and sebaceous glands

- abundant a, v, and lymph drainage

Question 4

connective tissue

Answer 4

• thick and dense
• anchored above and below
• vascularized
• contains nerve supply

Question 5

which layer of the scalp has nerve supply

Answer 5

dense connective tissue

Question 6

which layer of the scalp has a strong tendionous sheet for attachment of 2 bellies of occipitofrontalis m

Answer 6

aponeurotic layer

Question 7

which layer allows movement of layers within the scalp

Answer 7

loose connective tissue

Question 8

layer above the underlying bone

Answer 8

pericranium

Question 9

innervation of occipitofrontalis m

Answer 9

facial n

Question 10

sensory innervation comes from what two main nerves

Answer 10

cranial nn and cervical nn

Question 11

region anterior to ear and vertex is supplied by what CN

Answer 11

trigeminal n

Question 12

region posterior to ear and vertex is supplied by what n

Answer 12

cervical nn (from spinal cord levels C2 and C3)

Question 13

what branches of CN V1 supply the scalp

Answer 13

supratrochlear n and supraorbital n

Question 14

supratrochlear n innervates what

Answer 14

front of foreheard near midline

Question 15

supraorbital n innervates what

Answer 15

scalp as far back as the vertex

Question 16

supratrochlear n and supraorbital n pass through what muscle

Answer 16

frontal belly of occipitofrontalis m

Question 17

what branch of Cn V2 supplies scalp

Answer 17

zygomaticotemporal n

Question 18

zygomaticotemporal n innervates what

Answer 18

scalp near temple

Question 19

what branch of CNV3 supplies the scalp

Answer 19

auriculotemporal n

Question 20

what does the auriculotemporal n supply

Answer 20

scalp over temporal region and anterior to ear

Question 21

what cervical n branches supply the scalp

Answer 21

1. greater auricular n (C2, C3)
2. lesser occipital n (C2)
3. greater occipital n (C2)
4. third occipital n (C3)

Question 22

anterior rami nerves that supply the scalp

Answer 22

• greater auricular n

- lesser occipital n

Question 23

posterior rami nerves

Answer 23

• greater occipital n

- third occipital n

Question 24

greater auricular n supplies

Answer 24

small area posterior to ear

Question 25

lesser occipital n supplies

Answer 25

area posterior and superior to the ear

Question 26

greater occipital n supplies

Answer 26

large area of posterior scalp superiorly to vertex

Question 27

third occipital n supplies

Answer 27

small area of lower medial portion of scalp

Question 28

what branches of ICA supply the scalp

Answer 28

branch of the ophthalmic a which include supraorbital a and supratrochlear a

Question 29

ophthalmic branches of ICA (supratrochlear and supraorbital) supply what

Answer 29

anterior and superior aspects of scalp as far as vertex

Question 30

what branches of ECA supply the scalp

Answer 30

• superficial temporal a
• posterior auricular a
• occipital a

Question 31

superficial temporal a supplies

Answer 31

lateral aspect of scalp

Question 32

posterior auricular a supplies

Answer 32

• area posterior to ears

- parotid gland

Question 33

occipital a supplies

Answer 33

posterior aspect of scalp