BI 342 Lab 1 -- OSU

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8 Terms

1
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Astrocytes

CNS

support and brace neurons; anchor them to nutrient supply (blood)

2
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Oligodendrocytes

CNS

wrap thicker nerve fibers to insulate

ie myelinate multiple fibers

3
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Microglia

CNS

defense cells (phagocytize microorganisms)

"immune system"

4
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Schwann Cells

PNS

wrap thicker nerve fibers to insulate

ie myelinate one fiber

5
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Ependymal Cells

CNS

form barrier between CSF and tissue fluid bathing cells (where BBB is not present)

6
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Multipolar nerves

Motor nerves

trigger zone by cell body

7
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Unipolar nerves

Sensory nerves

trigger zone after receptor (dendrites)

8
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Bipolar nerves

Special sensory nerves (eye and ear)

trigger zone before axon begins