Nerves Flashcards

1
Q

Nervous system Composed of..

A

Neurons
Neuroglia

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2
Q

Speech and decision

A

Frontal lobe

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3
Q

Sensory

A

Parietal lobe

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4
Q

Vision

A

Occipital

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5
Q

Auditory

A

Temporal

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6
Q

2finger shape

A

Corpuscallosum

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7
Q

Brain stem parts

A

Mid brain
Pons
Medulla oblongata(involuntary and necessary)

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8
Q

Balance

A

Cerebellum

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9
Q

Responsible for ventral position

A

Foramen magnum

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10
Q

Gyrus
Sulcus

A

Enlarged parts
Gaps bet them

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11
Q

Memory and processing

A

Hippocampus

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12
Q

Aggression and fear

A

Amygdala

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13
Q

Hunger/thirst/ hormones

A

Hypothalamus

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14
Q

The grey matter contains

A

Cell body
Dendrites
Neuroglia
Non mylenated nerve fibers

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15
Q

Structural and functional unit of nervous system

A

Neuron
Irritable and conductive

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16
Q

Branching cells that connect neurons to blood vessels and protect

17
Q

Cell body names

A

Soma
Perikaryon

18
Q

Cell body components

A

Round vesicular nucleus
Nissl granules(ribosomes) extend to dendrites
Golgi
Mitochondria
Neurofibrils(intermediate filaments)
Microtubules

19
Q

Why nerve cells do not divide

A

No centrosome

20
Q

Long axon
Short axon

A

Golgi 1
Golgi 2

21
Q

Axon VS dendrites

A

Single axon. Multiple dendrites
Thin and long axon. Thick then thin D

22
Q

Who is centrifugal

A

Away from cell body
Axon

23
Q

Many axons

24
Q

Many soma

25
Neuron types and where to find them
Multipolar(stellate>>motor/ pyrimidal>>cerebral cortex random arrangement / pyriform>>cerebellum) Unipolar Bipolar(eye retina, hearing) Pseudounipolar (spinal)
26
Causes impulse to accelerate
Mylein sheeth
27
Nueroglia in CNS
Astrocyte Oligocyte Microglia Ependymal cells
28
Neuroglia in PNS
Schwann Satellite
29
Creates cerebrospinal fluid
Ependymal
30
Axon repair
Satellite
31
Repair injury fills spaces long and thin White matter
Astrocyte
32
Grey and white Small cell Mylein in brain
Oligodendroglia
33
Mylein in PNS
Schwann
34
Grey and white Small Monocyte of nerves
Microglia
35
Decrease in cell size and organ tissue size
Atrophy Alzheimer's reduces brain size