NEURON/NERVE CELL MODEL (copy)

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16 Terms

1
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<p>1</p>

1

axon hillock, generates action potential that runs along axon

2
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<p>2</p>

2

nucleus, contains DNA

3
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<p>3</p>

3

nissl bodies, make axonal parts

4
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<p>4</p>

4

neurofibrils, intracellular transport

5
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<p>5</p>

5

axon terminal, contains neurotransmitter

6
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<p>6</p>

6

axon, nerve impulse transmitter

7
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<p>7</p>

7

nucleus of Schwann cell, holds DNA

8
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<p>7a</p>

7a

Schwann cell, insulates axon of neuron

9
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<p>B</p>

B

peripheral nerve (process) with sheaths, propagates nerve impulse

10
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<p>8</p>

8

neurilemma, nerve cell covering

11
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<p>9</p>

9

node of Ranvier, site of depolarization

12
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<p>10</p>

10

mitochondria, produces ATP

13
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<p>11</p>

11

myelin sheath, increases speed of neurotransmission

14
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<p>12</p>

12

endoneural sheath of connective tissue, protects myelinated nerve fiber

15
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<p>14</p>

14

dendrites, receptive regions of neuron

16
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<p>A</p>

A

cell body, receives incoming signals from dendrites