Overview Of Nervous System Flashcards

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1
Q

What are the two directional functions of the nervous system?

A

Input (Afferent)

Output (Efferent)

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2
Q

Other words for Afferent and Efferent in the nervous system (not lymphatic)

A

Sensory and motor

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3
Q

Name of the neuron that is between the input and motor neuron

A

Interneuron

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4
Q

_______ from body send signals to the CNS

A

Receptors

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5
Q

CNS is classified by _____ or ______

A

Function or structure

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6
Q

What is the functional organisation of the nervous system? (not CNS)

A

Sensory nervous system (afferent/arrives)

Motor nervous system

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7
Q

What are the two subclassifications of sensory and motor nervous system?

A

Somatic and Visceral

Body and gut/organ

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8
Q

What are the structural components of CNS?

A

Brain

Spinal cord

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9
Q

What are divisions of PNS?

A

Everything in the nervous system besides the CNS

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10
Q

What are the 2 cells of the nervous system?

A

Neuron (functional/structural unit of the NS) and neuroglial (supporting cells)

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11
Q

What are the structural components of the neuron?

A

Cell body
Dendrites
Axon
Axon hillock

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12
Q

Oligodendrocyte

A

Myelinates multiple axons

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13
Q

Astrocytes

A

Supporting cell

Regulates ions, NS repair

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14
Q

Microglial

A

Phagocytes/ Eats waste in the NS

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15
Q

Ependymal

A

Lines the ventricular system

CFS (Cerebrospinal fluid) production

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16
Q

Schwann

A

Myelinates a single axon (PNS)

17
Q

What are the three nervous connective tissue names? Deep to superficial

A

Endonuerium
Perineurium
Epineurium

18
Q

What are the names of layers of nerve? Deep to superficial

A

Axon and myelin sheath
Fascicle
Nerve

19
Q

What is providing nerve fibres to/from and organ or tissue called?

A

Innervate