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Nerves of head/neck

TermDefinition
Action Potential rapid depolarization of the cell membrane that results in propagation of the nerve impulse along the membrane
Afferent Nerve Sensory nerve that carries information form the periphery of the body to the brain or spinal cord
Anesthesia the loss of felling or sensation resulting from the use of certain drugs or gasses that serve as inhibitory neurotransmitters
Bell’s Palsy Type of unilateral facial paralysis involving the facial nerve
Efferent Nerve Motor nerve that carries information away from the brain or spinal cord to the periphery of the body
Facial Paralysis Loss of action of the facial muscles
Ganglion/Ganglia Accumulation of neuron cell bodies outside the central nervous system.
Innervations supply of nerves to tissues or organs
Neuron Cellular component of the nervous system that is individually composed of a cell body and neural processes
Neurotransmitter Chemical agent from the neuron that is discharged with the arrival of the action potential, diffuses across the synapse, and binds to receptors on another cell’s membrane
Nerve Bundle of neural processes outside the central nervous system; a portion of the peripheral nervous system
Nervous System the extensive, intricate network of structures that activates, coordinates, and controls all functions of the body
Resting Potential Charge difference between the fluid outside and inside a cell that results in differences in the distribution of ions
Synapse Junction between two neurons or between a neuron and an effector organ, where neural impulses are transmitted by electrical or chemical means
Trigeminal Neuralgia Type of lesion of the trigeminal nerve involving facial pain
Created by: RB218148
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