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Neuroanatomy > Lab Exam 3 > Flashcards

Lab Exam 3 Flashcards

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1
Q

where are cell bodies for Clarke’s nucleus?

A

DRG (lower limb)

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2
Q

axons of DSCT synapse in what layer of cerebellum? what are these fibers called?

A

granule cell; mossy fibers

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3
Q

functional modality for accessory cuneate nucleus

A

proprioception upper limb

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4
Q

what layer of cerebellum does inferior olivary climbing fibers synapse?

A

purkinje cell layer

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5
Q

deficit in lateral reticular nucleus causes what?

A

ataxia

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6
Q

input to red nucleus

A

dentate and interposed nuclei, cerebral cortex

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7
Q

VA/VL thalamus receive majority of input from here

A

cerebellum and basal ganglia

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8
Q

nuclei that send axons to the central tegmental tract

A

rubro-olivary, nuclei solitarius

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9
Q

cell bodies for axons in ICP (restiform body) located here

A

clarke’s, accessory cuneate, lateral reticular, inferior olivary, spinal tigeminal, vestibular nuclei and RF

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10
Q

vestibular nuclei projects to these parts of cerebellum

A

flocculus, nodulus, vermis, fastigial nucleus

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11
Q

synaptic targets of deep cerebellar nuclei

A

red nucleus, VA/VL thalamus, vestibular nuclei

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12
Q

two major targets of fastigial nucleus

A

spinal cord, vestibular nuclei

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13
Q

axons of MCP originate here

A

contra. basilar pontine nuclei

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14
Q

part of red nucleus that gives rise to rubrospinal tract

A

magnocellular

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15
Q

input to basal pontine nuclei

A

cerebral cortex (4, 6)

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16
Q

functional deficits in lesion of cerebellar hemisphere

A

dysmetria, dysarthria, hypotonia, decomposition of movement, intention tremor, dysdiadochokinesia, ataxia

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17
Q

majority of axons in SCP come from here

A

deep cerebellar nuclei

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18
Q

majority of input to caudate nucleus

A

cerebral cortex

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19
Q

GP external sends majority of neurons here

A

subthalamic nucleus

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20
Q

NT for GP interna

A

GABA

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21
Q

majority of input to putamen

A

cerebral cortex

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22
Q

SNc has excitatory or inhibitory effect on direct pathway?

A

excitatory

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23
Q

where do VA/VL thalamus send majority of axons?

A

supplementary motor, premotor, motor areas, FEF

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24
Q

what nucleus is most closely related to nucleus accumbens embryonically?

A

caudate

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25
function of nucleus accumbens/ventral striatum
addictive/reward behaviors
26
these two efferent pathways form thalamic fasciculus
lenticular fasciculus and ansa lenticularis
27
SCA is branch of this artery
basilar
28
NT in substantia nigra
dopamine
29
what makes up molecular layer of cerebellum
purkinje dendrites, climbing fibers, parallel fibers
30
where were granule cells born?
ventricular zone rhombic lip
31
where do anterior commisure axons terminate?
contra anterior olfactory nucleus and olfactory tubercle
32
NT for septal nuclei
Ach
33
lesion of supraoptic nucleus causes this deficit
diabetes insipidus
34
main function of lateral hypothalamic area
feeding center
35
areas of cortex that receive input from DM thalamus
prefrontal and orbitofrontal
36
input to dorsal vagal nucleus
hypothalamus, PAG, solitary nucleus
37
hormone found in supraoptic and paraventricular nuclei
vasopressin
38
what kind of cortex is olfactory tubercle?
paleocortex
39
what does DLF connect
medial hypothalamus to PAG/brainstem
40
CN for inferior salivatory nucleus
IX
41
axons of olfactory tract originate here
olfactory bulb
42
lesion of ventromedial nucleus of hypothalamus will cause this
weight gain
43
input to PPRF
superior colliculus, FEF, raphe nuclei
44
cell bodies for central tegmental tract located here
red nucleus and solitary nucleus
45
injury to III will cause diplopia when patient looks this direction
up and in
46
majority of input to anterior nucleus thalamus comes from this
mammillothalamic tract (MB)
47
cell bodies for axons that project to fimbria
pyramidal cells hippocampal formation
48
stria terminalis connects these two structures
centromedial amygdala and hypothalamus/septal area
49
this connects CM amygdala to hypothalamus/septal area
stria terminalis
50
ventral amygdalofugal pathway synapses here
DM thalamus, midbrain RF, hypothalamus
51
what kind of cortex is cingulate cortex?
allocortex
52
functions of prefrontal cortex
restraint, initiative, order, working memory, planning/attention
53
cortex that covers parahippocampal gyrus
entorhinal
54
inputs to parahippocampal gyrus/entorhinal cortex
cingulate cortex and association areas
55
retrograde cell bodies for fornix
septal nuclei and hippocampal formation
56
where does dentate gyrus send axons?
CA3 pyramidal cells
57
this processes integrated visual/spatial information, attention
nondominant parietal cortex
58
symptoms of Gerstmann's syndrome
R/L confusion, finger agnosia, dysgraphia, dyscalculia, hemianopsia
59
lesion of nondominant parietal lobe will cause these deficits
L hemineglect, dressing apraxia, L hemianopsia, topographic memory loss
60
connects anterior temporal poles and olfactory tracts
anterior commisure
61
this looks like a lens
subthalamic nucleus
62
fibers in caudate and putamen that extend to GP
pencillary fibers of Wilson
63
SNc sends pigmented, dopaminergic neurons into this ventromedial aspect of midbrain; where do these project?
ventral tegmental area; frontal cortex (associated w/ schizo)
64
this makes up primary olfactory cortex
piriform olfactory
65
this is associated at most inferior part postcentral gyrus...close to sensory for tongue, larynx, pharynx
primary gustatory cortex
66
these nuclei in thalamus correspond with primary somatosensory cortex
VPL and VPM
67
nucleus in thalamus that corresponds to multimodal prefrontal cortex
MD
68
nucleus in thalamus that corresponds to occipitoparietotemporal multimodal cortex
pulvinar
69
this makes up paralimbic cortex
parahippocampal gyrus, cingulate gyrus, posterior orbitofrontal gyrus, temporal pole, insula
70
these are the 2 core cortical components of limbic system
primary olfactory and hippocampus
71
this part of parahippocampal gyrus overlies amygdala and anterior tip of hippocampus
entorhinal cortex

Neuroanatomy (10 decks)

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