Neurovasculature of the neck Flashcards

1
Q

aside from arteries and veins, what else travels through the neck

A

cranial nerves that pass through foramina in base of skull

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2
Q

what are 2 important functions of the neck

A

stability and mobility

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3
Q

how is stability and mobility of the neck achieved

A

by the cervical vertebrae

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4
Q

how do spinal nerves leave the cervical vertebrae

A

leave through the intervertebral foramen

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5
Q

how many pairs of cervical spinal nerves do we have

A

8 pairs instead of 7

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6
Q

what do first 4 cervical spinal nerves supply

A

neck muscles, cutaneous sensation in the neck

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6
Q

what do lower pairs of cervical spinal nerves supply

A

join brachial plexus

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7
Q

what are all of the muscle groups of the cervical column surrounded by

A

prevertebral fascia

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8
Q

ligamentum nuchae

A

prevertebral fascia in midline posteriorly between the extensor muscles

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9
Q

how many compartments in the neck

A

anterior compartment and posterior compartment

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10
Q

what are the foramina that are present in cranial base from front to back

A

foramen ovale
foramen spinosum
carotid canal
jugular foramen
stylomastoid foramen
anterior condylar foramen

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11
Q

where is anterior condylar foramen

A

just above occipital condyle

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12
Q

what is anterior condylar foramen also called

A

hypoglossal canal

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13
Q

boundaries of superior aperture of thorax

A

first thoracic vertebrae
first 2 ribs
manubrium

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14
Q

what passes through superior aperture of thorax

A

airway
oesophagus
vessels
nerves

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15
Q

what are 2 branches of aorta

A

brachiocephalic artery- right
common carotid- left

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16
Q

what happens to brachiocephalic artery before it ascends through the superior aperture of thorax

A

divides

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17
Q

branches of brachiocephalic artery

A

right common carotid artery and right subclavian artery

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18
Q

common carotid artery bifurcation

A

C4/5
internal and external carotids

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19
Q

where does the internal carotid artery emerge

A

close to pituitary fossa

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20
Q

where does the internal jugular vein begin

A

jugular foramen

21
Q

where does internal jugular vein end

A

joins subclavian vein to form brachiocephalic vein

22
Q

where does internal jugular vein drain from

A

sigmoid sinus

23
Q

path of external jugular vein

A

crosses lateral border of sternocleidomastoid muscle, passes behind clavicle to join subclavian

24
Q

where does anterior jugular vein empty

A

subclavian vein

25
Q

branches of subclavian vein

A

internal thoracic, thyrocervical trunk (inferior thyroid artery), vertebral artery

26
Q

vertebral artery supplies

A

brain and spine

26
Q

where does the internal thoracic artery supply

A

anterior chest wall and breasts

27
Q

branches of thyrocervical trunk

A

suprascapular artery, transverse cervical, inferior thyroid, ascending cervical

28
Q

where does the vertebral artery emerge

A

subclavian artery

29
Q

what vertebrae does the vertebral artery pass through

A

C6-C1

30
Q

what does the vertebral artery pass through

A

transverse foramen

31
Q

what does the external carotid artery supply

A

skull, dura and head apart from orbit

32
Q

what does internal carotid artery supply

A

brain

33
Q

internal carotid path

A

enters carotid canal
emerges from foramen lacerum
comes out via optic canal

34
Q

what does opthalmic artery supply

A

contents of orbit and middle of forehead

35
Q
A
36
Q

opthalmic artery is a branch of

A

internal carotid

37
Q

external carotid artery branches

A

superior thyroid, lingual, facial, occipital, posterior auricle, ascending pharyngeal, superficial temporal, maxillary

38
Q

what does superior thyroid artery supply

A

thyroid glands, infrahyoid muscles, sternocleidomastoid muscle

39
Q

what does the lingual artery supply

A

intrinsic muscles of tongue, floor of mouth

40
Q

what does the facial artery supply

A

the palatine tonsils, soft palate, pterygoid, mylohyoid, and digastric muscles, the submandibular gland

41
Q

what does occipital artery supply

A

posterior scalp

42
Q

what does posterior auricle artery supply

A

scalp at back ear, parotid gland, facial nerve

43
Q

what does ascending pharyngeal artery supply

A

upper pharynx, prevertebral muscles, middle ear, cranial meninges

44
Q

what does the superficial temporal artery supply

A

upper and lateral scalp

45
Q

what does the maxillary artery supply

A

muscles of mastication, upper and lower jaw, external acoustic meatus, dura mater

46
Q

what does the middle meningeal artery branch form

A

maxillary artery

47
Q

what does the middle meningeal supply

A

dura and skull

48
Q

what does the middle meningeal artery pass through

A

foramen spinosum

49
Q

what does the infraorbital artery supply

A

lining of nasal cavity and palate