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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
lateral surface cerebral hemisphere
MCA
25
inability to communicate effectively w others(language disorder)
Aphasia
26
an impaired ability to organize and interpret sensory experience, causing difficulty in observing, recognizing, and understanding people, situations, words, numbers, concepts, or images.
Perceptual deficits/defect
27
visual field defect involving either the two right or the two left halves of the visual fields of both eye
Homonymous Hemianopsia
28
inability to move both eyes together in a single horizontal or vertical direction
Conjugate Palsy
29
Motor dysFx
Pure motor stroke
30
supplies neck, face, and scalp
ECA
31
begins opposite the upper border of the thyroid cartilage, and taking a slightly curved course, passes upward and forward
ECA
32
branch of the subclavian artery, ascends through foramina of transverse processes of C1 – C6
VA
33
courses upward and backward
V1
34
courses within the intravertebral foramina
V2
35
surface of the posterior arch of the atlas, behind the atlas, before piercing the dura mater to enter the foramen magnum
V3
36
the intracranial portion(V4) ends at what junction?
Medullopontine Junction
37
supplies the skull and dura of the posterior cranial fossa
Meningeal
38
can come from directly from vertebral artery or posterior inferior cerebellar artery
Post. Spinal
39
descends posterior to the SC, close to posterior spinal roots
Post. Spinal
40
descends and embedded in the pia mater of the anterior median fissure of SC
Ant. Spinal
41
supply oxygenated blood to the surface and interior of the spinal canal at each level
Medullary
42
Blood Supply to the SC
1. 1 ASA 2. 2 PSA
43
What does the Radicular Artery supplies?
T1-L1
44
branch of intercostal arteries
Radicular Artery
45
other term of greater radicular artery
Artery of Adamkiewics
46
Where does the Adamkiewics arises?
Aorta
47
Largest Branch
PICA
48
supplies undersurface of cerebellum, central nuclei of cerebellum
PICA
49
union of 2 vertebral arteries
Basilar Artery
50
Branches of BA
1. Pontine 2. Labyrinthine 3. AICA 4. SCA 5. PCA
51
Thalamus
PCoM, PCA, BA
52
Midbrain
PCA, SCA, BA
53
Pons
SCA, AICA, BA
54
MO
VA, AICA, SCA
55
Cerebellum
SCA, AICA, PICA
56
anastomosis of 2 ICA and 2 vertebral
Circle of Willis
57
External Cerebral Veins
1. Sup. cerebral vein(d-lat. hem) 2. Superficial mid cerebral vein(d-lat. hem) 3. Deep mid cerebral vein(d-insula)
58
Internal Cerebral Vein
1. Thalamostriate Vein 2. Choroid Vein 3. COMBI= Great cerebral vein
59
drained by veins that open in the basal vein
midbrain
60
drained by basal vein, cerebellar veins
pons
61
drained by veins that open into the spinal veins
medulla
62
drained by veins that empty into the great cerebral vein
cerebellum
63
deliver oxygen, glucose and other nutrients to the nervous system
Blood flow
64
is the measure of resistance of blood to flow through vessels
CEREBRAL BLOOD FLOW VISCOSITY
65
net pressure gradient causing cerebral blood flow
Cerebral perfusion pressure
66
localized blood-filled balloon like bulge in the wall of the blood vessel
Aneurysm
67
decreased blood blow causing shortage of oxygen and glucose needed by tissues to live
Ischemia
68
formation of a blood clot (thrombus), causing obstruction of blood flow
Thrombosis
69
lodging of an embolus (a blockage, piece of material in the blood vessel) could be a fatty tissue, gas, foreign material or thrombus
Embolism
70
movement of a thrombus, a piece of blood clot breaks off and moves
Thromboembolism
71
tissue death due to lack of oxygen following an obstruction to the tissue's blood supply
Infarction

neuroanatomy (5 decks)

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