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Nervous System Flashcards

(54 cards)

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1
Q

What makes up the cns

A

Brain and spinal cord

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2
Q

What does somatic innervation innervate

A

Motor to skeletal muscles

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3
Q

What does autonomic innervation innervate

A

Cardiac and smooth muscle, glands, adipose tissue, enteric nervous system

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4
Q

What is the main pns excitatory nt

A

ACh

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5
Q

What are the main cns excitatory nts

A

Brain - glutamate

Soinal cord - glycine

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6
Q

What is the main inhibitory nt in the cns

A

GABA

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7
Q

What is the rostral end of the brain

A

Anterior

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8
Q

What is the caudal end of the brain

A

Posterior

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9
Q

What are tge 3 primary vesicles during brain development

A

Procephalon mesencephalon rhombencephalon

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10
Q

What does the procephalon become

A

Telencephalon and diceohalon

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11
Q

What does the rhombencephalon become

A

Metencephalon, mylencephalon

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12
Q

What is in the telecephalon

A

Cerebral hemispheres, caudate nucleus, putamen

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13
Q

What is in the dicephalon

A

Thalamus, hypothalamus, epithalamus

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14
Q

What is in the metencephalon

A

Pons, cerebellum

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15
Q

What is in the myelecephalon

A

Medulla

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16
Q

What are the cerebral ventricles

A

Communicating cavities filled w csf

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17
Q

What is the cerebral cortex

A

Outer layer of cerebellum

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18
Q

What is a gyrus

A

Ridges of cerebral cortex

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19
Q

What is a sulcus

A

Valley in cerebral cortex

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20
Q

What does the frontal lobe do

A

Higher cognitive functions

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21
Q

What does the parietal lobe do

A

Somatosensory

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22
Q

What does the occipital lobe do

23
Q

What does the temporal lobe do

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A

Memory and hearing

24
Q

What is brocas area for and where is it

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A

Language expression

Frontal lobe

25
What does wernickes area do and where is it
Language conprehension | Temporal lobe
26
Where is the pri motor cortex
Frontal lobe
27
Where is the pri sensory cortex
Parietal lobe
28
Where is the pri auditory cortex
Temporal lobe
29
Where is the pri visual cortex
Occipital lobe
30
What does the posterior parietal cortex do
Spatial awareness of surroundings, selective attention
31
What does the prefrontal cortex do
Judgement, motor, planning, personality
32
What is the band of nerves connecting the hemispheres
Corpus callosum
33
What is the bundle of nerves connecting the temporal lobes
Anterior commissure
34
What are the inferomedial parts of each hemisphere called
Internal capsule
35
What does the thalamus do
Relays sensory and motor info to cerebral cortex
36
What are glial cells
Support cells associated with neurones
37
What are the cns glial cell types
Astrocytes, microglia, oligodendricytes
38
What are the pns glial cells
Schwann cells, satellite cells
39
What do astrocytes do
Physical and nutritional support for neurones
40
What do microglia do
Specialised microphage
41
What do oligodendricytes do
Provide myelin insulation to neurones
42
What do schwann cells do
Myelinate neurones
43
What do satellite cells do
Physical support for pns neurones
44
Grey matter
Neuron Cell bodies, dendrites, axon terminals, synapses, glial cells
45
White matter
Myelinated axons and oligodendrocytes
46
What is a nucleus/ganglion/lamina/body/cortex/centre/horn
Grouping of neuronal cell bodies
47
What is a tract/fasciculus/brachium/peduncle/lemniscus/commissure
Bundke of nerve fibres
48
What does the cerebrum do
Conscious thought Intellectual functions Skeletal muscle
49
What does the cerebellum do
Coordinates complex somatic motor plans
50
What does the medulla oblongata do
Relays sensory info | Autonomic centres for visceral function regulation
51
What does the pons do
Relays sensory indor | Subconscious somatic and visceral motor centres
52
What does the mesencephalon do
Processes visual and auditory data Generates reflexive somatic motor responses Maintains consciousness
53
What does thalamus do
Relays and processes sensory info
54
What does the hypothalamus do
Controls emotions, autonomic functions, hormone production

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