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Neuroanatomy > Telencephalon & Diencephalon > Flashcards

Telencephalon & Diencephalon Flashcards

1
Q

Neural tube forms from

A

neuroectoderm

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2
Q

Anterior portion of neural tube

A

grows more than posterior portion
constrained by skull
becomes the brain

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3
Q

Name parts of neural tube from most rostral/anterior to caudal/posterior

A 
telencephalon
diencephalon
mesencephalon
metencephalon
myelencephalon
spinal cord
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4
Q

Sulcus

A

fold

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5
Q

Gyrus

A

surface separation

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6
Q

Name the main sulci

A

cruciate sulcus

pseudosylvian fissure

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7
Q

Name the main gyri

A 
suprasylvian gyrus
ectosylvian gyrus
sylvian gyrus
pre-cruciate gyrus
post-cruciate gyrus
occipital gyrus
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8
Q

Gyri involved in somesthetic (sensory) & what lobes they are part of

A

post-cruciate gyrus - frontal lobe
rostral suprasylvian gyrus - frontal lobe
ectosylvian gyrus - temporal lobe

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9
Q

Gyri involved in motor & what lobes they are a part of

A

post-cruciate gyrus - frontal lobe

rostral suprasylvian gyrus - frontal lobe

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10
Q

Gyri involved in auditory & what lobes they are a part of

A

ectosylvian gyrus - temporal lobe

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11
Q

Gyri involved in vision & what lobes they are a part of

A

occipital gyrus - occipital lobe

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12
Q

Lesion in frontal lobe

A

sensory & motor skills affected

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13
Q

Lesion in temporal lobe

A

sensory & hearing affected

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14
Q

Lesion in occipital lobe

A

vision affected

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15
Q

Lesion in parietal lobe

A

no primary cortical area

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16
Q

Lack piriform lobe

A

smell affected

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17
Q

Gray matter contains

A

cell bodies

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18
Q

Gray matter parts of cerebrum

A

cerebral cortex

basal nuclei -> caudate & lentiform (putamen & pallidus)

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19
Q

White matter contains

A

axons

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20
Q

White matter parts of cerebrum

A

corpus collosum, internal capsule, & white matter tracts

21
Q

Corpus collosum

A

axons connecting functional units of right & left hemispheres

22
Q

Internal capsule

A

cerebral afferents & efferents

carry info into & out of cerebrum

23
Q

Meninges

A

cover outer surface & inner surface from longitudinal fissure to corpus collosum

24
Q

Falx cerebri

A

meninges that cover interior part of longitudinal fissure

25
Q

Tentorium cerebelli

A

fold that tucks b/w cerebrum & cerebellum

26
Q

Dorsosagittal sinus

A

forms b/w hemispheres

CSF fluid is circulated here

27
Q

Info flow in neurons

A

info in via dendrites

info out via axons

28
Q

Info flow neuron to neuron

A

presynaptic send info in & postsynaptic send info out

29
Q

Info flow brain structure to brain structure

A

afferent fibers bring sensory info in & efferent send motor info out

30
Q

Unipolar neurons

A

1 process at cell body

sensory

31
Q

Bipolar neurons

A

2 processes at cell body

sensory

32
Q

Multipolar neurons

A

many processes at cell body

sensory or motor

33
Q

Telencephalon gives rise to

A

cerebrum & rhinencephalon

34
Q

Cerebrum function

A

somesthetic (sensory), motor, auditory, & visual

35
Q

Rhinencephalon function

A

olfactory (piriform lobe)

36
Q

Diencephalon gives rise to

A

thalamus, epithalamus (pineal gland), hypothalamus, & hypophysis (posterior pituitary)

37
Q

Thalamus function

A

integrates sensory & motor info

projects to cerebral cortex

38
Q

Epithalamus function

A

endocrine structure

releases melatonin in response to darkness

39
Q

Hypothalamus function

A

broad spectrum

multiple nuclei

40
Q

Hypophysis function

A

hormones

41
Q

Sensory receptors for olfaction

A

cilia on olfactory cells in olfactory epithelium

42
Q

Cranial nerve for olfaction

A

olfactory n (CN I) from olfactory cell axons that go to the olfactory bulb

43
Q

Central nucleus for olfaction

A

none

44
Q

Cortical area for olfaction

A

piriform lobe of rhinencephalon

45
Q

Sensory receptors for vision

A

photoreceptors in the retina

46
Q

Cranial nerve for vision

A

optic n (CN II) from axons of retinal ganglion cells

47
Q

Central nucleus for vision

A

lateral geniculate ganglion of the thalamus

48
Q

Cortical area for vision

A

primary visual area in occipital lobe

Neuroanatomy (2 decks)

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