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Neuroscience > chapter seven > Flashcards

chapter seven Flashcards

1
Q

two cerebral hemispheres; contralateral input and output

A

cerebrum

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2
Q

“little brain”, attached to brainstem, movement control center

A

cerebellum

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3
Q

stalk of the brain, relay to and from cerebrum; control of vital functions (damage is typically fatal)

A

brain stem

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4
Q

spinal cord location

A

attached to brain stem

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5
Q

conducts information from brain to body and body to brain

A

spinal cord

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6
Q

carriers of information to and from spinal cord

A

spinal nerves (dorsal root and ventral roots)

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7
Q

dorsal root goes to ______

A

brain

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8
Q

ventral root moves _____ from brain

A

away

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9
Q

clusters of cell bodies that contain somatic sensory axons

A

dorsal root ganglia

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10
Q

dorsal root is made up of somatic _____ axons

A

sensory

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11
Q

ventral root is made up of somatic _____ axons

A

motor

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12
Q

PNS has two divisions ____ and _____

A

somatic; visceral

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13
Q

of the body wall means

A

somatic

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14
Q

of the organs in the body activity means

A

visceral

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15
Q

visceral system controls the ______ nervous system

A

autonomic

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16
Q

carry info towards the CNS

A

afferent

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17
Q

carry info away from the CNS

A

efferent

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18
Q

___ cranial nerves from brain stem

A

12

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19
Q

three membranes that surround the brain

A

the meninges

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20
Q

(one of the membranes of the meninges): leather-like

A

dura mater

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21
Q

(one of the membranes of the meninges): spider web

A

arachnoid membrane

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22
Q

(one of the membranes of the meninges): adheres closely to the surface of the brain

A

pia meter

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23
Q

brain floats in _____ ______

A

cerebrospinal fluid

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24
Q

specialized tissue in ventricles that secretes CSF

A

choroid plexus

25
Q

the ___ forms from them walls of fluid-filled neural tube

A

CNS

26
Q

_ layers of cells will become neural tube

A

3 (ectoderm, mesoderm, endoderm)

27
Q

skin and neural plate

A

ectoderm

28
Q

bone, muscle, connective tissues

A

mesoderm

29
Q

embryonic gut, internal organs

A

endoderm

30
Q

formation neural plate and neural tube

A

neurulation (occurs around 22-days post conception)

31
Q

neurulation is a ___ step process

A

two

32
Q

( step one: neurulation ) - neural ______
—-> neural ______ : walls of the groove = neural folds

A

plate; groove

33
Q

(step two: neurulation) - fusion of neural ____ —–> neural tube

A

folds

34
Q

from step two, entire _____ develops from walls of neural tube

A

CNS

35
Q

neural _____ forms PNS neurons

A

crest

36
Q

After neural tube has closed, what happens next?

A

differentiation

37
Q

specialization of function

A

differentiation

38
Q

what is the first step of differentiation

A

2 swellings - primary vesicles

39
Q

forebrain differentiates into

A

telencephalon, diencephalon and paired optic vesicles

40
Q

retina and optic nerves derived from ______ (CNS)

A

forebrain

41
Q

differentiated from the ________: thalamus and hypothalamus

A

diencephalon

42
Q

differentiated from the ________: cerebral hemispheres, olfactory bulbs, optic cups, basal telencephalon

A

telencephalon

43
Q

gateway to cortex

A

thalamus

44
Q

sensory infromaton from contralteral side of the body

A

thalamus to cortex

45
Q

analyze sensory input and command motor output

A

cerebral cortex

46
Q

carry motor information to contralateral side of the body

A

cortex to thalamus

47
Q

control of visceral nervous system; motivated behaviors

A

hypothalamus

48
Q

the midbrain differentiates into ____ and _____

A

tectum (roof); tegmentum (floor)

49
Q

the ____ functions as a information conduit between spinal cord and cortex

A

midbrain

50
Q

_____ colliculus of the tectum recieves sensory info from eye

A

superior

51
Q

_____ colliculus of the tectum recieves sensory info from the ear

A

inferior

52
Q

_______ has red nucleus and substantia nigra which controls ______ _____

A

tegmentum; voluntary movement

53
Q

differentiation of the hindbrain results in ___ and ____

A

medulla, cerebellum & pons

54
Q

survival functions

A

medulla

55
Q

switchboard connecting cerebral cortex to cerebellum

A

pons

56
Q

what are the three types of cortex

A

hippocampus, olfactory complex, and neocortex

57
Q

dorsal horn recieves ____ inputs

A

sensory

58
Q

ventral horn sends ___ outputs

A

motor

Neuroscience (11 decks)

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