Check Your Recall-Chapter 12

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schwann cells:

create the myelin sheath of the peripheral nervous system

satellite cells

surround the cell bodies of neurons in the peripheral nervous system

What triggers exocytosis of synaptic vesicles?

the influx of calcium ions into the axon terminal

Astrocytes:

anchor neurons and blood vessels, maintain extracellular environment around neurons, assist in the formation of the blood-brain barrier

Where are the synaptic vesicles located?

axon terminals

Action potentials are generated in the:

cell body

ependymal cells:

ciliated cells in the central nervous system that from and circulate cerebrospinal fluid

Oligodendrocytes:

form the myelin sheath of the central nervous system

The main function of an axon is to:

generate and transmit signals in the form of action potentials

Microglial cells:

phagocytic cells of the central nervous system


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