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Physio Psych 1:2
Test 1: Chapter 2
10
Psychology
Undergraduate 1
09/09/2009

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Term
2 Kinds of nervous system cells:
Definition
Neurons and Glia.
Term
Behavior
Definition
Depends upon communication between neurons.
Term
All Neurons Contain:
Definition
Dendrites, Soma, Cell Body Axon, and Presynaptic Terminals.
Term
Myelin Sheath
Definition
Insulation material covering some neurons.
Term
Nodes of Ranvier
Definition
interruptions in the Myelin Sheath.
Term
Presynaptic
Definition
The end points of an axon responsible for releasing chemicals to communicate with other neurons.
Term
Afferent Axon
Definition
Brings information INTO a structure.
Term
Efferent Axon
Definition
Carries information AWAY from a structure.
Term
Sensory Neuron
Definition
Afferent to the nervous system.
Term
Motor Neuron
Definition
Efferent from the nervous system.
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