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Anatomy UE > Cervical plexus > Flashcards

Cervical plexus Flashcards

1
Q

what​ makes up the cervical plexus

A

ventral primary rami of C1-C4

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2
Q

what do the rami of the cervical plexus receive​ from

A

These VPR all receive gray rami communicans from the superior cervical ganglion (S) and distribute sympathetic innervation through their branches.

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3
Q

there are two sets of branches in the cervical plexus

A

Superficial
Deep

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4
Q

superficial branches are what kind of branches

A

all branches are cutaneous

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5
Q

Deep branches are what kind of branches

A

medial and lateral branches which are all muscular

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6
Q

Superficial Branches name

A

Lesser occipital nerve
Great auricular nerve
Transverse cervical nerve
Supraclavicular nerves

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7
Q

Lesser Occipital Nerve number

A

C2
made out of a loop of C2 and C3 but I mostly made up of

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8
Q

Lesser Occipital Nerve what kind of nerve

A

cutaneous - superficial branch

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9
Q

Lesser Occipital Nerve location

A

The lesser occipital nerve ascends along the posterior border of sternocleidomastoid

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10
Q

lesser occipital nerve supplies what part of the skin

A

skin of the upper auricle (outer ear) and the lateral side of the head posterior to the auricle.

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11
Q

Great Auricular Nerve segmental innervation

A

C2 and C3

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12
Q

Great Auricular Nerve location

A

The great auricular nerve is a large nerve that wraps around the posterior border of sternocleidomastoid and ascends on that muscle with the external jugular vein.

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13
Q

Great Auricular Nerve innervation

A

It supplies the skin over the parotid gland, mastoid process and posterior auricle.

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14
Q

Transverse Cervical Nerve segmental

A

C2 and C3

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15
Q

Transverse Cervical Nerve location

A

The transverse cervical nerve winds around the posterior border of sternocleidomastoid and runs anteriorly.

It divides into ascending and descending branches

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16
Q

Transverse Cervical Nerve innervation

A

supply the skin of the anterolateral neck.

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17
Q

Supraclavicular Nerves segmental

A

C3 and C4.

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18
Q

Supraclavicular Nerves location

A

The supraclavicular nerve trunk emerges from beneath the posterior border of sternocleidomastoid

Divides into medial, intermediate and lateral branches.

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19
Q

Supraclavicular Nerves innervation

A

They supply the skin of the anterior chest to the 2nd rib, and the upper and posterior shoulder.

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20
Q

Deep Branches of the Cervical Plexus
include

A

1.) Medial series
Communicating branches to X and XII
Muscular branches to rectus capitis lateralis, rectus capitis anterior, longus capitis and longus colli
Inferior root of ansa cervicalis
Phrenic nerve

2) Lateral series
communicating branches to XI

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21
Q

Communicating Branches to X & XII is in what series

A

medial

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22
Q

Communicating Branches to X & XII segmental

A

C1 and C2

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23
Q

Communicating Branches to X & XII pathway

A

The communicating branch to XII passes from the loop formed between C1 and C2. It travels with XII for a bit and then leaves it to divide into branches

24
Q

branches of Communicating Branches to X & XII

A

branches which include nerves to thyrohyoid and geniohyoid and the superior root of ansa cervicalis.

25
Q

communicating branch to X segmental

A

passes from the loop formed between C1 and C2.

26
Q

From the loop formed between C1 and C2, branches arise to supply what

A

rectus capitis lateralis , rectus capitis anterior and longus capitis.

27
Q

rectus capitis lateralis segmental

A

C1

28
Q

rectus capitis anterior segmental

A

C1, 2

29
Q

longus capitis segmental

A

C1 C2 C3

30
Q

branches arise directly from the C2, C3 and C4 VPR

A

longus capitis and longus colli .

31
Q

inferior root of ansa cervicalis segmental

A

C2 and a branch from C3

32
Q

what make the ansa cervicalis

A

inferior and superior root

33
Q

Ansa Cervicalis location

A

inferior root of ansa cervicalis - internal jugular vein,

Superior root of ansa cervicalis = common carotid artery.

34
Q

what does the Ansa Cervicalis
innervate

A

infrahyoid muscles except thyrohyoid

35
Q

infrahyoid muscles

A

Sternohyoid
Omohyoid - superior and inferior bellies
Thyrohyoid
Sternothyroid

36
Q

phrenic nerve segmental

A

C3, C4 and C5 VPR

major contribution is from C4

37
Q

phrenic nerve innervation

A

sole innervation to the diaphragm

38
Q

phrenic nerve location

A

phrenic nerve passes down on the anterior surface of scalenus anterior and enters the thorax

39
Q

what travels with the spinal accessory nerve (XI)

A

Branches from C2, C3 and C4 VPR pass laterally to travel with the Spinal Accessory Nerve (XI).

40
Q

Communicating Branches to XI is part of what series

A

Lateral Series

41
Q

Communicating Branches to XI innervate what

A

sternocleidomastoid , trapezius , levator scapulae and scalenus medius

42
Q

sternocleidomastoid segmental

A

C2,3

43
Q

trapezius segmental segmental

A

C3,4

44
Q

levator scapulae segmental

A

C3,4

45
Q

scalenus medius segmental

A

C3,4

46
Q

what will the the branches of the cervical dorsal primary rami supply

A

the deep posterior cervical muscles and the skin on the posterior head and neck.

47
Q

Suboccipital Nerve segmental

A

C1 Dorsal Primary Ramus

48
Q

Suboccipital Nerve location

A

It emerges superior to the posterior arch of the atlas and enters the suboccipital triangle

49
Q

Suboccipital Nerve - C1 is a VPR or DPR

A

DPR

50
Q

Suboccipital Nerve innervates what

A

It carries motor fibers to supply the four suboccipital muscles and also part of the semi-spinalis capitis.

51
Q

Suboccipital Triangle borders

A

Rectus capitis posterior major medially

obliquus capitis inferior inferiorly

the obliquus capitis superior laterally.

52
Q

what can be found in the Suboccipital Triangle

A

suboccipital nerve, vertebral artery and posterior arch of the atlas.

53
Q

C2 Dorsal Primary Ramus
branches

A

medial and lateral branches

54
Q

medial branch of C2 DPR

A

greater occipital nerve

55
Q

greater occipital nerve comes from under where

A

emerges from under the obliquus capitis inferior

56
Q

greater occipital nerve innervates

A

semispinalis capitis, and ascends to supply the skin of the posterior scalp.

57
Q

C3 through C8 Dorsal Primary Rami

A

divide into medial and lateral branches which supply the skin of the posterior neck and deep muscles of the neck and upper back.

Anatomy UE (11 decks)

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