A&P FINAL 3

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dendrites?

projection that receives signals
cell body?

area that contains nucleus and ribosomes
axon?

projection that sends nerve signals
trigger zone?

sums local potentials, initiates action potential
synaptic knob?

stores and releases neurotransmitters
oligodendrocytes?

makes myelin for the brain
ependymal cells?

makes cerebrospinal fluid
microglia?

provides immune protection
astrocytes?
- forms blood brain barrier
- provides framework for the brain
- absorbs used neurotransmitters
where is myelin found?

axons
what is the function of the myelin?

provides membrane for neurotransmitter vesicles
depolarization is due to _______.

entry of sodium
repolarization is due to _______.

entry of sodium
a single neurotransmitter may cause contraction in one set of smooth muscle and relaxation in another. what determines which action will occur?

the receptor on the smooth muscle
inhibitory local potentials differ from excitatory local potentials in that _______.

inhibitory channels allow negative ions into the cell
what does plasticity mean in the nervous system?

synapses can increase or decrease

Author

290880

Card Set

A&P FINAL 3

Description

FINAL

Updated

2014-12-07T15:39:43Z

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