WEEK 1: NEUROANATOMY (Millares) Flashcards

1
Q

in spinal cord, rostral means what orientation?

A

superior

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2
Q

in spinal cord, caudal means what orientation?

A

inferior

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3
Q

what are the layers of the scalp?

A
skin
connective tissue
aponeurosis (galea aponeurotica)
Loose areolar tissue
Pericranium
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4
Q

suture divides the frontal bone and parietal bone

A

coronal suture

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5
Q

divides the parietal bone and temporal bone.

A

superficial temporal line

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6
Q

is the junction of four sutures and the weakest part of the skull.

A

pterion

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7
Q

what artery passes thru the pteryion?

A

middle meningeal artery

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8
Q

a very nice surgical corridor, it provides stress-free entry into the calvarium.

A

pteryion

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9
Q

surgical landmark designed to simultaneously expose the floor of the anterior cranial fossa and the orbit and is classically described near the junction of the frontal, sphenoid, and zygomatic bones.

A

MacCarty Keyhole

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10
Q

4 compartments of the skull base?

A

anterior
middle
posterior
central

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11
Q

anterior border of the anterior compartment of the skull base?

A

posterior aspect of the frontal bone

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12
Q

posterior boundery of anterior compartment of the skull base?

A

wings of sphenoid, anterior clinoid process, and tuberculum sellae

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13
Q

boundaries of the middle cranial fossa?

A

bounded posteriorly by petrous (HARDEST and THICKEST) part of the skull and part of your posterior clinoid process

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14
Q

3 holes in the temporal lobe?

A

Standing room only

foramen spinosum, rotundum. ovale

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15
Q

what exists at spinosum, rotundum and ovale?

A

spinosum - meningeal branch of CN V3, mid meningeal artery
rotundum - Maxillary nerve
ovale - mandibular nerve

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16
Q

posterior cranial fossa what is the boundary posterioly?

A

anterior part of the occipital bone

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17
Q

what exits at the jugular foramen?

A

CN 9, 10, 11 and the jugular vein

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18
Q

cnetral cranial fossa what are hte anterior boundaries?

A

sella turcica and dorsum sella

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19
Q

what exits at optic canal?

A

ophthalmic artery and CN 2

20
Q

what exists at the Superior orbital fissure?

A

Superior ophthalmic V, CN 3, 4, 6, and V1

21
Q

what exists at foramen lacerum?

A

ICA

22
Q

divides the brain into the Temporal lobe (inferiorly), frontal and parietal lobe (superiorly)

A

sylvian fissure/lateral fissure

23
Q

in between the parietal and frontal lobe

A

Rolandic sulcus/ central fissure

24
Q

most dominant/ thickest commisural fiber?>

A

corpus callosum

25
Q

Dural reflection dividing the supratentorial and infratentorial aspects

A

tentorium cerebelli

26
Q

Dural reflection that divides the Left and Right Hemisphere

A

falx cerebri

27
Q

homoculus of the brain is located in what gyrus?

A

primary cortex and the sensory cortex

28
Q

what do you call the subcortical gray matter?

A

basal ganglia

29
Q

most medial aspect of basal ganglia?

A

thalamus

30
Q

refers to group of subcortical nuclei
responsible primarily for motor control, as well as other roles
such as motor learning, executive functions and behaviors,
and emotions.

A

basal ganglia

31
Q

white matter structure situated in the
infero-medial part of each cerebral hemisphere of the brain.
It carries information past the basal nuclei, separating the
caudate nucleus and the thalamus form the putamen and the
globlus pallidus.

A

internal capsule

32
Q

most common site of hemorrhagic stroke?

A

putamen

33
Q

Primary relay and processing center for sensory information and autonomic control

A

diencephalon

34
Q

blood supply of the diencephalon?

A

PCA and PCOA

35
Q

The Lateral extension of the lamina are anatomically termed as

A

transverse process

36
Q

The anterior circulation is composed of/subserve by ___________________ and the posterior circulation is subserve by ______________

A

ICA;

vertebrobasilar

37
Q

first branch of ICA intracranially?

A

ophthalmic artery

38
Q

connects the anterior circulation to the posterior circulation especially during the embryologic phase of human development

A

PCOA

39
Q

what originates from the vertebral artery? (4)

A

Basilar artery, PICA, PSA, ASA

40
Q

in cranial CT Scan, what color is hypodense? and what does it indicate?

A

Black; Air or CSF or chronic blood

41
Q

in cranial CT Scan, what color is hyperdense? and what does it indicate?

A

white; Bone, Acute blood

42
Q

in cranial CT Scan, what color is isodense? and what does it indicate?

A

gray; brain, subacute blood

43
Q

normal ICP for adults?

A

7-15 cmH20

44
Q

lateral medullary syndrome is caused by a lesion in?

A

PICA

45
Q

T or F, CSF is approximately 150 cc in volume?

A

T. 50% intracranial and 50% spinal

46
Q

the midline protrusion of the lamina is the called the

A

spinous process

47
Q

The Lateral extension of the lamina are anatomically termed

A

Transverse process