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anatomy and physiology > chapter 13 > Flashcards

chapter 13 Flashcards

1
Q

four major brain regions

A

cerebrum
dicenephalon
brainstem
cerebellum

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2
Q

how many hemispheres is the cerebrum seperated into

A

2

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3
Q

how many lobes is brain hemisphere seperated into

A

5

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4
Q

the outer surface of brain is

A

folded

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5
Q

gyri of brain is

A

the ridges

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6
Q

sulci of brain is

A

depression between ridges; fissures

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7
Q

brain anterior is known as=

A

rostral

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8
Q

brain posterior=

A

caudal

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9
Q

inferior to cerbrum and diencephalon is the

A

brainstem

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10
Q

individual gyri is called a

A

gyrus

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11
Q

fissures on brain is a

A

deep sulcus

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12
Q

cells of nervous system include

A

neurons and neuroglia

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13
Q

neuron cell body with dendritrs attached is called

A

gray matter

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14
Q

gray matter found in

A

cortex

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15
Q

superficial (outer) layer of brain

A

the cortex

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16
Q

consists of axons coming from cell bodies

A

white matter

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17
Q

white matter gets its white color cause its

A

mylinated

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18
Q

white matter for cerbrum for the brain is found in

A

medulla or innermost portion

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19
Q

medulla is the

A

innermost portion

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20
Q

brain is protected by ____(4)

A

bone of skull, meninges, cerebral spinal fluid, blood brain barrier

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21
Q

meninges is

A

layered tissue surrounding brain

22
Q

cerebral spinal fluid iis like a

A

liquid cushion

23
Q

what cell helps with blood brain barrier

A

astrocytes

24
Q

blood brain barrier controls

A

what passes from blood to brain

25
Q

cranial meninges is composed of

A

three connective tissue layers

26
Q

cranial meninges seperate and support _____ tissue of brain

A

soft

27
Q

cranial tissues also ____ and ___ blood vessels supplying the brain

A

enclose and protect

28
Q

what is cranial meninges relationship with CSF

A

helps contain and circulate CSF

29
Q

what are the three layers of meninges

A

pia maater, arachnoid mater, dura mater

30
Q

whats the deepest meninge

A

pia mater

31
Q

the most superficial meninges

A

dura mater

32
Q

order of meninges from deepst to outermost(superficial)

A

pia mater (deepest)
arachnoid mater(middle)
dura mater(outermost)

33
Q

pia mater touches the

A

the brain

34
Q

pia mater is made of

A

thin layer of areolar connective tissue

35
Q

pia mater is also very nutritive for the brain and there are lots of

A

blood vessels

36
Q

arachnoid mater

A
37
Q

arachnoid mater makes projection that look like spider webs called

A

arachnoid trabeculae

38
Q

arachnoid trabeculae extend to

A

pia mater through subarachnoid space

39
Q

subarachnoid space contains

A

cerebrospinal fluis

40
Q

arachnoid mater is made of

A

collagen and eleastic fibers

41
Q

subdural space is potential space that can fill with blood if

A

a vein is ruptured

42
Q

dura mater is very

A

tough

43
Q

there is a _______ space between dura and skull

A

epidural

44
Q

dura mater has _ layers

A

2

45
Q

2 layers of dura mater are

A

meningeal layer (deeper layer)
periosteal layer (superficial layer)

46
Q

dura mater is made of

A

dense irregular connective tissue

47
Q

what forms on internal surface of cranial bones

A

periosteum

48
Q

epidural space is also in

A

spoinal chord

49
Q

if a pregnant woman gets an epideral it would be in the

A

epidural space of spinal cord.

50
Q

epidural space contains

A

arteries and veins

anatomy and physiology (17 decks)

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