CNS v PNS

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Interneurons

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Biology

13 Terms

1

Interneurons

________ (association neurons)- lies entirely in CNS connecting motor and sensory pathways.

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2

Output

________ produces muscular contraction as well as somatic reflexes- involuntary muscle contractions.

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3

Cytoplasm

________ contains golgi, ER, mitochondria, lysosomes, cytoskeleton.

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4

Single process

________ leading away from soma.

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5

Excitability

________- repsonse to stimuli.

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6

Cytoskeleton

________ has dense mesh of microtubules and neurofibrils (bundles of actin filaments) that compartmentalizes rough ER into dark- staining Nissl bodies.

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7

Arm

________- like processes wrap around nerve fibers.

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8

Axolemma

________- plasma membrane of axon.

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9

Involuntary responses

What are called visceral reflexes? Answer with a single words or term.

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10

Ganglia

________- knot- like swelling in a nerve where neuron cell bodies are concentrated.

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11

Sympathetic division

________- arouse body reaction and speeds up processes.

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12

Synaptic knob

________ (terminal button)- little swelling that forms a junction (synapse) with the next cell.

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13

Parasympathetic division

________- slows body reactions down, stimulate digestion and urinary systems.

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