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Body Systems > Nervous System > Flashcards

Nervous System Flashcards

1
Q

CNS

A

Central Nervous System

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2
Q

PNS

A

Peripheral Nervous System

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3
Q

Cephal/o

A

Head

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4
Q

Cerebell/o

A

Cerebellum

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5
Q

Cerebr/o

A

Cerebrum

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6
Q

Encephal/o

A

Brain

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7
Q

Gli/o

A

Glue (Supporting Cells)

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8
Q

Medull/o

A

Medulla Oblongata

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9
Q

Mening/o
Meninge/o

A

Meninges

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10
Q

Myel/o

A

Spinal Cord

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11
Q

Neur/o

A

Nerve

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12
Q

Phas/o

A

Speech

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13
Q

Poli/o

A

Gray Matter

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14
Q

Pont/o

A

Pons

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15
Q

Radicul/o

A

Nerve Root

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16
Q

Thalam/o

A

Thalamus

17
Q

Thec/o

A

Sheath (Meninges)

18
Q

Ventricul/o

A

Brain Ventricle

19
Q

-algesia

A

Pain, sensitivity

20
Q

-esthesia

A

Feeling, Sensation

21
Q

-paresis

A

Weakness

22
Q

-phasia

A

Speech

23
Q

-plegia

A

Paralysis

24
Q

-taxia

A

Muscle Coordination

25
Q

Neuroglial Cells

A

Non-neuronal cells that maintain homeostasis, form myelin, and provide support and protection for neurons.

26
Q

12-15 Billion

A

Number of neurons in the cerebral cortex

27
Q

70 Billion

A

Number of neurons in the cerebellum

28
Q

1 Billion

A

Number of neurons in the spinal cord

29
Q

Neurons

A

Individual cells that conduct electrical impulses, sending them in response to stimuli.

Unable to divide, making them irreplaceable.

30
Q

Dendrites

A

Branch like projections that “catch” electrical impulse sent from the previous sell’s axon. Typically short, intended to catch as much information as possible.

31
Q

Nerve cell body

A

Holds the nucleus of the cell, contains genetic material of the cell.

32
Q

Axon

A

“Tail” of neuron, messages are sent down the axon to the terminal ends. Singular axon for each

33
Q

Axon Terminals

A

Transmitter of electric impulses, located at the end of the axon

34
Q

Neuroglial Cells

A

Cells that act as the neurons’ support system provides protection and nourishment. Capable of mitosis (cell division)

Body Systems (3 decks)

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