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15 Cards in this Set

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ACETYCHOLINE
Neurotransmitter chemical released at the ends of some nerves
Arachnoid Membrane
Middle layer of the meninges that surround the brain and spinal cord
"spider"
Astrocyte
A type of glial cell; connective, supporting cell of the nervous system
Astrocytes transport water and salts from the capillaries
Autonomic Nervous System
Nerves that control involuntary body functions of muscles, glands, and internal organs
Axon
Microscopic fiber that carries the nervous impuluse along a nerve
blood-brain barrier
Blood vessels that let certain substances enter the brain tissues and keep other substances out.
Brainstem
Connects the cerebrum with the spinal Cord
Lower portion of the brain
cauda equina
Collection of spinal nerves below the end of the spinal cord
cell body
Part of a nerve cell that contains the nuculeus
Central Nervous system
brain and spinal cord
CNS
cerebrellum
Part of the brain that coordinates muscle movements and maintains balance.
Cerebral cortex
Outer region of the cerebrum
contains sheets of nerve cells; gray matter of the brain
cerebrospinal fluid
Fluid that ciruculates throughout the brain and spinal cord.
CSF
cerebrum
Largest part of the brain responsible for voluntary muscular activity
Vision, speech,taste,hearing, thought and memory.
Sensory
gathers info from outside the body and feeds into the system