Cricks Nerve Anatomy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the basic unit of a nerve cell? | Neuron
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| What cell provides support, nourishment and protection for neurons? | Neuroglia or glial cells
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| What is the "receiving" part of the nerve cell? | dendrite (little tree)
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| What is the "sending" part of the nerve cell? | axon
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| What is the cell body called? | The cell body. Wonder why I wasted a card on that amazing fact? I wonder too, it must be getting late and I am losing my grip on reality, not that it was a good grip to start with, darn, out of room on this ca
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| What is important about the axon hillock? | it is where impulses arise from
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| An axon ends with a transmission structure called a ___. | Axon terminal
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| What are the tips of the axon terminals called? | Not the tips, but the synaptic end bulb
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| Name the layer of lipid and proteins that insulate an axon. | Myelin sheath
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| What cells create the myelin sheath? | Schwann cells (dont they sell ice cream too?)
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| There are gaps in myelin sheaths- what are the gaps called? | Nodes of Ranvier
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| What gives white matter its white color? | myelin- generally
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| What gives gray matter its gray color? | the organelles in the axons give the cell a gray look, there is no myelin to cover the gray
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Created by:
russcrick
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