Nervous System Vocabulary Terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Blood vessels (capillaries) that selectively let certain substances enter brain tissue and keep others out | blood-brain barrier
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Type of glial (neuroglial) cell that transports water and salts from capillaries | astrocyte
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Collection of spinal nerves below the end of the spinal cord | cauda equina
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Neurotransmitter chemical released at the ends of nerve cells | acetylcholine
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Microscopic fiber that carries the nervous impulse along a nerve cell | brainstem
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Carries messages toward the brain and spinal cord from receptors | axon
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Lower portion of the brain that connects the cerebrum with the spinal cord | afferent nerve
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Part of a nerve cell that contains the nucleus | cell body
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Middle layer of the meninges surrounding the brain and spinal cord | arachnoid membrane
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Contains nerves that control involuntary body functions or muscles, glands, and internal organs | autonomic nervous system
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Motor nerve that carries messages away from the brain and spinal cord | efferent nerve
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Largest part of the brain | cerebrum
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Includes the brain and spinal cord | central nervous system
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Microscopic branching fiber of a nerve cell that is the first to receive a nervous impulse | dendrite
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Posterior part of the brain; coordinates muscle movements and maintains balance | cerebellum
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Glial (neuroglial) cell that lines membranes within the brain and spinal cord; helps form cerebrospinal fluid | ependymal cell
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Outer region of the cerebrum; contains sheets of nerves | cerebral cortex
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Circulates throughout the brain and spinal cord | cerebrospinal fluid
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Thick, outermost layer of the meninges | dura mater
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Twelve pairs of nerves that carry messages to and from the brain | cranial nerves
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