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Anatomy-Nervous System 1 > nervous system 1 > Flashcards

nervous system 1 Flashcards

1
Q

What are the 2 types of nervous tissue?

A

Neurons and glia

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2
Q

What is THE neuron?

A

Basic structural unit of the nervous system

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3
Q

What are glia?

A

Cells of support tissue for nervous system

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4
Q

What are nervous tissues specialized to do?

A

Receive info
Transmit info
Store info

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5
Q

What is A neuron?

A

Nerve cell body and all its processes (brances

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6
Q

What does a dendrite do?

A

Carries impulses toward cell body

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7
Q

What is an axon?

A

A neuron process that transfers info from cell body to next unit

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8
Q

What are the poles of the neuron?

A

Connects processes to cell body; multipolar, bipolar and unipolar

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9
Q

What type of neuron corresponds with the route receptor organs to CNS?

A

Sensory neurons

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10
Q

What type of neuron corresponds with the route CNS to muscles?

A

Motor Neurons

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11
Q

What type of neuron corresponds with the route neuron to neuron?

A

Interneurons

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12
Q

What does continuity without contact refer to?

A

Refers to fact that neurons do not touch. (No electrical transmission

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13
Q

How is information transferred from one neuron to next?

A

Chemicals called neurotransmitters

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14
Q

What is a connection between two neurons?

A

Synapse

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15
Q

At the end of each axon branch is what?

A

Terminal bulb

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16
Q

Neurotransmitters are stored in bundles called?

A

Synaptic vesicles

17
Q

Where are synaptic vesicles located

A

Terminal bulbs

18
Q

What is thickened layer of terminal bulb called where neurotransmitters pass?

A

Presynaptic membrane

19
Q

What is space between terminal bulb of first neuron and dendrite of 2nd neuron?

A

synaptic cleft

20
Q

What is portion of membrane of 2nd neuron, nr terminal bulb of 1st neuron?

A

postsynaptic membrane

Anatomy-Nervous System 1 (3 decks)

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