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Nervous system

Across
Glial cells found in the PNS
Signal transmitted along a neuron in response to a stimulus
Gray matter within the PNS
Short and narrow extensions that receive stimuli toward the cell body
The process of transmitting signals from one neuron to another neuron, muscle or gland
Produce the fatty myelin sheath
Neurons that transmit sensory information toward the CNS
A protective involuntary but predictable response to stimuli
Gray matter within the CNS
Tiny budlike structures located at the terminal ends of the presynaptic axon
Generate nerve impulses
Bundles of nerve fibers in the CNS
Largest and most numerous glial cell
Type of polar neuron that has two processes extending from the cell body
Body that contains the nucleus and other organelles
Outer layer of the myelin sheath
Down
Also called the synaptic cleft
Line ventricles and the central canal and produce CSF
Thin branches formed at the terminal ends of the axon
A neuron while it is at rest and not conducting an impulse
A single conduction pathway to and from the CNS
Secreted by neurons and assist in nerve transmission
The study of the nervous system
Individual nerve fibers which lie in parallel rows
Neurons that transmit information from the CNS
Surrounds neural extensions called axons in the CNS
Period during which the membrane is repolarizing and restoring its resting phase
Tapered portion of the cell body
Connective tissue layer that surrounds fasciculi
Absorption of released neurotransmitters by the presynaptic neuron
Bundles of nerve fibers in the PNS
Type of polar neuron that has a single process extending from the cell body
Transmits nerve impulses away from the cell body