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Nerves of the head
| Term | Definition |
|---|---|
| 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 from thee periphery of the body to the brain or spinal cord |
| Anesthesia | The loss of feeling or sensation sulting from the use of certain drugs or glasses that server 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 difference in the distributino of ions |
| Synapse | Junction between two neurons or between a neuron and an effector organ, where neural impulses are transmitted by |
| Trigeminal Nerualgia | Type of lesion of the trigeminal nerve involving facial pain |