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neuroanatomy > blood supply > Flashcards

blood supply Flashcards

1
Q

Origin of Left Carotid Artery

A

Arch of aorta

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2
Q

Origin of Common Carotid Artery

A

Brachiocephalic Artery

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3
Q

Arteries of Head and Neck

A
  1. Common Carotid Artery(ICA, ECA)
  2. Subclavian Artery(VA)
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4
Q

from the bifurcation at the CCA

A

ICA

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5
Q

It goes upward deeper into the brain, whereas the external carotid goes more superficial to supply head and face

A

ICA

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6
Q

It pierces base of the skull through the carotid canal of the temporal bone

A

ICA

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7
Q

Major Arteries of the Brain

A
  1. ICA
  2. VA
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8
Q

four portions of ICA

A

o cervical
o petrous
o cavernous
o cerebral

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9
Q

It begins at the bifurcation of the common carotid, opposite the upper border of the thyroid cartilage

A

Cervical Portion

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10
Q

when the ICA enters the canal in the petrous portion of the temporal bone, it first ascends a short distance

A

Petrous Portion

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11
Q

between the layers of dura mater forming the cavernous sinus

A

Cavernous Portion

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12
Q

after perforation of the dura mater on the medial side of the anterior clinoid process

A

Cerebral Portion

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13
Q

first branch of the COW

A

ICA:Opthalmic

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14
Q

choroid plexus

A

ICA: Choroidal

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15
Q

Temporary Monocular Blindness

A

Amaurosis Fugax

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16
Q

recurrent aa of Heubner/medial striate:
amygdala, pallidum, internal capsule, caudate nucleus

A

ACA

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17
Q

Horizontal branches of ACA

A

optic nn, optic chiasm, hypothalamus, anterior commissure, fornix

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18
Q

weakness or inability to move one side of the body

A

Hemiparesis(PRECENTRAL GYRUS)

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19
Q

weakness or inability to sense or feel one side of the body

A

Hemisensory loss(POSTCENTRAL GYRUS)

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20
Q

limited verbal and motor responsiveness

A

Abulia/Akinetic Mutism

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21
Q

loss of the ability to execute or carry out skilled movements and gestures

A

Apraxia(CORPUS CALLOSUM)

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22
Q

inability to recognize a person or an object

A

Agnosia(POST CENTRAL GYRUS)

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23
Q

person leaks urine involuntarily and accidently

A

Urinary Incontinence/Incontinence(SUP. FRONTAL GYRUS)

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24
Q

all motor area except leg area

A

MCA

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24
Q

lateral surface cerebral hemisphere

A

MCA

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25
Q

inability to communicate effectively w others(language disorder)

A

Aphasia

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26
Q

an impaired ability to organize and interpret sensory experience, causing difficulty in observing, recognizing, and understanding people, situations, words, numbers, concepts, or images.

A

Perceptual deficits/defect

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27
Q

visual field defect involving either the two right or the two left halves of the visual fields of both eye

A

Homonymous Hemianopsia

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28
Q

inability to move both eyes together in a single horizontal or vertical direction

A

Conjugate Palsy

29
Q

Motor dysFx

A

Pure motor stroke

30
Q

supplies neck, face, and scalp

A

ECA

31
Q

begins opposite the upper border of the thyroid cartilage, and taking a slightly curved course, passes upward and forward

A

ECA

32
Q

branch of the subclavian artery, ascends through foramina of transverse processes of C1 – C6

A

VA

33
Q

courses upward and backward

A

V1

34
Q

courses within the intravertebral foramina

A

V2

35
Q

surface of the posterior arch of the atlas, behind the atlas, before piercing the dura mater to enter the foramen magnum

A

V3

36
Q

the intracranial portion(V4) ends at what junction?

A

Medullopontine Junction

37
Q

supplies the skull and dura of the posterior cranial fossa

A

Meningeal

38
Q

can come from directly from vertebral artery or posterior inferior cerebellar artery

A

Post. Spinal

39
Q

descends posterior to the SC, close to posterior spinal roots

A

Post. Spinal

40
Q

descends and embedded in the pia mater of the anterior median fissure of SC

A

Ant. Spinal

41
Q

supply oxygenated blood to the surface and interior of the spinal canal at each level

A

Medullary

42
Q

Blood Supply to the SC

A
  1. 1 ASA
  2. 2 PSA
43
Q

What does the Radicular Artery supplies?

A

T1-L1

44
Q

branch of intercostal arteries

A

Radicular Artery

45
Q

other term of greater radicular artery

A

Artery of Adamkiewics

46
Q

Where does the Adamkiewics arises?

A

Aorta

47
Q

Largest Branch

A

PICA

48
Q

supplies undersurface of cerebellum, central nuclei of cerebellum

A

PICA

49
Q

union of 2 vertebral arteries

A

Basilar Artery

50
Q

Branches of BA

A
  1. Pontine
  2. Labyrinthine
  3. AICA
  4. SCA
  5. PCA
51
Q

Thalamus

A

PCoM, PCA, BA

52
Q

Midbrain

A

PCA, SCA, BA

53
Q

Pons

A

SCA, AICA, BA

54
Q

MO

A

VA, AICA, SCA

55
Q

Cerebellum

A

SCA, AICA, PICA

56
Q

anastomosis of 2 ICA and 2 vertebral

A

Circle of Willis

57
Q

External Cerebral Veins

A
  1. Sup. cerebral vein(d-lat. hem)
  2. Superficial mid cerebral vein(d-lat. hem)
  3. Deep mid cerebral vein(d-insula)
58
Q

Internal Cerebral Vein

A
  1. Thalamostriate Vein
  2. Choroid Vein
  3. COMBI= Great cerebral vein
59
Q

drained by veins that open in the basal vein

A

midbrain

60
Q

drained by basal vein, cerebellar veins

A

pons

61
Q

drained by veins that open into the spinal veins

A

medulla

62
Q

drained by veins that empty into the great cerebral vein

A

cerebellum

63
Q

deliver oxygen, glucose and other nutrients to the nervous system

A

Blood flow

64
Q

is the measure of resistance of blood to flow through vessels

A

CEREBRAL BLOOD FLOW VISCOSITY

65
Q

net pressure gradient causing cerebral blood flow

A

Cerebral perfusion pressure

66
Q

localized blood-filled balloon like bulge in the wall of the blood vessel

A

Aneurysm

67
Q

decreased blood blow causing shortage of oxygen and glucose needed by tissues to live

A

Ischemia

68
Q

formation of a blood clot (thrombus), causing obstruction of blood flow

A

Thrombosis

69
Q

lodging of an embolus (a blockage, piece of material in the blood vessel) could be a fatty tissue, gas, foreign material or thrombus

A

Embolism

70
Q

movement of a thrombus, a piece of blood clot breaks off and moves

A

Thromboembolism

71
Q

tissue death due to lack of oxygen following an obstruction to the tissue’s blood supply

A

Infarction

neuroanatomy (5 decks)

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