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Stucture of the Nervous System
a cell that is specialized to conduct nerve impulses
short fiber that conducts toward the cell body of the neuron
contains the nucleus and a variety of other cellular organelles.
long fiber that carries impulses away from the cell body of a neuron
a nerve pathway that consists of a sensory neuron, an interneuron and a motor neuron
another name for a neural impulse
a brief electrical charge that travels down an axon.
the minimum level of stimulation required to trigger a neural impulse
a gap in the covering of the axon
a small gap between the axon of one neuron and the dendrite of another neuron
a chemical that is released by a neuron for the purpose of carrying information across the gaps (synapses) between neurons
nerve cell that carries information from the environment to the central nervous system
type of neuron that connects sensory and motor neurons
nerve cell that carries signals from the central nervous system to muscle or gland cells