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602 EX 1 > Neurobiology > Flashcards

Neurobiology Flashcards

1
Q

what are the 2 sections of the nervous system?

A

CNS, PNS

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2
Q

what is the PNS made up of?

A

Somatic, autonomic

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3
Q

what 2 fibers make up the autonomic nervous system?

A

-GVA (general visceral afferent) (sensory)
-GVE (general visceral efferent) (secretomotor-2 neuron pathway)

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4
Q

Neurons are made up of ____________

A

an axon (only ONE), dendrites (one or more), cell body

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5
Q

what are the different types of neurons? and what does each take part in?

A

-Unipolar: Embryogenesis
-Bipolar: 1 dendrite, 1 axon
Olfactory, cochlear, vestibular neurons
-Pseudounipolar: 1 axon that splits into 2, no dendrites, general sensory neurons
-Multipolar: 1 axon, many dendrites, motor neurons

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6
Q

what are the 4 types of neuroglia? and what do they do?

A

-Astroglia: monitors blood brain barrier
-Microglia: modified macrophage, cleans debris
-Oligodendrocyte: makes myelin
-Ependymal: uses cilia to beat CSF

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7
Q

what are the 2 supporting cells in the PNS? what do they do?

A

-Schwann cell: provides support can myelinate
-Satellite cell: associated with cell body

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8
Q

how long does the whole neural tube development take?

A

22-25 days

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9
Q

at 4 weeks there are ____ vesicles, and at 5 weeks there are ___ vesicles

A

3, 5

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10
Q

what are the 3 vesicles present at 4 weeks?

A

-Prosencephalon
-Mesencephalon
-Rhombencephalon

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11
Q

what are the 5 vesicles present at 5 weeks?

A

-Telencephalon
-Diencephalon
-Mesencephalon
-Metencephalon
-Mylencephalon

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12
Q

The Prosencephalon
develops into the _______ & _______

A

Telencephalon, Diencephalon

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13
Q

The Rhombencephalon develops into the ______ & ______

A

Metencephalon & Mylencephalon (hindbrain)

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14
Q

which cranial nerves develop from the Prosencephalon, Mesencephalon, and Rhombencephalon?

A

-Prosencephalon: Cranial nerve 1 & 2 develop from here
-Mesencephalon: Cranial nerve 3
-Rhombencephalon: Cranial nerve 4-12

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15
Q

The ________ in the spinal cord is equivalent to ventral horn (motor function)

A

Alar plate

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16
Q

The ________ in the spinal cord is equivalent to dorsal horn (sensory function)

A

Basal plate

16
Q

The _______ separates dorsal and ventral horns

A

Sulcus limitan

17
Q

The_____ represents white matter (axons) and the
______ is where cell bodies are located

A

Marginal zone
Intermediate zone

18
Q

the ________ zone has the cells that line central canal (ependymal cells)

A

ventricular

19
Q

what are the 5 lobes of the brain and what do they do?

A

-Frontal Lobe: motor/personality
-Parietal: sensory
-Occipital: vision
-Temporal: memory, hearing, smell
-Insular: emotions

20
Q

The Brainstem is made up of the _____, ____, _______

A

Midbrain, Pons, Medulla oblongata

21
Q

Diencephalon is made up of the _____ & _______

A

Thalamus, Hypothalamus

22
Q

The _______ is bundles of axons in brain
The ______ is bundle of axons in spinal cord

A

Fasciculi
Funiculi

23
Q

The Dorsal horn has laminae ____ and is responsible for ____ fxn

A

1-6
sensory

24
Q

The Lateral horn has laminae ____ and is responsible for ____ fxn

A

7
autonomic control

25
Q

The Ventral horn has laminae ____ and is responsible for ____ fxn

A

8,9
voluntary motor function

26
Q

Cranial nerve 5 has rhombomere sensory ganglion ____, rhombomere motor nucleus ____, and arch ____

A

S:2
M: 2,3
A: 1

27
Q

Cranial nerve 6 has rhombomere sensory ganglion ____, rhombomere motor nucleus ____, and arch ____

A

S: -
M: 5,6
A: -

28
Q

Cranial nerve 9 has rhombomere sensory ganglion ____, rhombomere motor nucleus ____, and arch ____

A

S: 6
M: 6,7
A: 3

29
Q

Cranial nerve 10 has rhombomere sensory ganglion ____, rhombomere motor nucleus ____, and arch ____

A

S: 7
M: 7,8
A: 4

30
Q

Cranial nerve 12 has rhombomere sensory ganglion ____, rhombomere motor nucleus ____, and arch ____

A

S: -
M: 8
A: -

31
Q

Cranial nerve 4 has rhombomere sensory ganglion ____, rhombomere motor nucleus ____, and arch ____

A

S: -
M: 1
A: -

602 EX 1 (9 decks)

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