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motor (efferent nerves)
nerves that carry impulses leaving the brain and spinal cord, and destines foreffectors
neuron (nerve cell)
cell of nervous system specialized to generate and transmit electrial signals (action portentials and graded potentials)
type of supporting cell in peripheral nervous system forms myelin sheath vital to peripheral nerve fiber regeneration
functionsl junction or point of close contact between two nervous or between a neuron and an effector cell
neuron cell body
the biosynthetic center of a neuron also called the perikaryon or soma cerebrospinal fluid (CSF) plasmalike fluid that fills the cavities of the SNA and surrounds the CNS externally protects the brain and spinal cord
sulci(furrows); the central sulcus which lies in the frontal plan separates the frontal lobe from the parietal lobe
local change in membrane potentail that varies directly with strength of stimulus declines with distance
neuron process that carries impulses away form the nerve cell body; the conducting portion of a nerve cell
branching neuron process that serves as a receptive, or input region; transmits an electrical signal toward the cell body
cerebrospinal fluid (CSF)
plasma like fluid that filled the cavities of the CNS and surrounds the CNS externally; protects the brain and spinal cord
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