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Psy 102
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action potential
the nerve impulse arising in an axon
neuron
a cell of the nervous system that is specialized for information processing and communication
glia
cells in the nervous system that support the activities of neurons
what is the difference between an ion channel and an ion pump
ion channels allow ions to move in and out of the cell without spending energy while an ion pump uses energy to move ions
anterograde transport
movement of materials from the cell body of a neuron to the axon terminal along the microtubules
retrograde transport
movement of material from the axon terminal back to the cell body via the cell's system of microtubules
local circuit neuron
a neuron that communicates with the neurons in its immediate vicinity
projection neuron
a neuron with a very long axon that communicates with neurons in the distant areas of the nervous system
macroglia
large glial cells including astrocytes, oligodendrocytes, and Schwann cells
microglia
tiny glial cells that migrate to areas of damage and digest debris
astrocyte
large star shaped glial cell of CNS
responsible for structural support, isolation of the synapse, control of the extracellular chemical environment
oligodendrocyte
forms myelin on CNS axon
Schwann cell
forms myelin on axon in PNS
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Author
Anonymous
ID
234233
Card Set
Psy 102
Description
psycology 102 COC flashcards
Updated
2013-09-11T17:46:32Z
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