processes - processes: dendrites & axons; extend from cell...

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processes: dendrites & axons; extend from cell body o CNS consists of neuronal cell bodies & processes; PNS consists mostly of processes o tracts: bundles of neuronal processes in CNS o nerves: bundles of neuronal processes in PNS o dendrites: main receptive or input regions - convey signals (short distance graded potentials) toward cell body dendritic spines: ends of dendrites; convey incoming messages toward the cell body o axon: arises from axon hillock; may be very short or very long may have branches called axon collaterals ends in terminal branches with endings called axon terminals (synaptic knobs or boutons) axon terminals are secretory component of neuron - secrete chemicals called neurotransmitters stored in vesicles into the extracellular space axolemma: plasma membrane of axon (e.g.: kinesin) - myelin sheath & neurolemma:
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

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processes - processes: dendrites & axons; extend from cell...

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