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| neurotransmitter chemical released at the ends of nerve cells |
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| carries messages toward the brain and spinal cord (sensory nerve). |
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| The prefix af- means _______ |
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| The suffix -ferent means ________ |
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| middle layer of the three membranes that surround the brain and spinal cord |
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| The Greek word arachne means ________ |
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| type of glial cell that transports water and salts from capillaries |
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| nerves that control involuntarybody functions of muscles, glands, and internal organs |
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| microscopic fiber that carries the nervous impulse along a nerve cell. |
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| blood vessels that selectively let certain substances enter the brain tissue and keep other substances out |
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| lower part of the brain that connects the cerebrum with the spinal cord |
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| collection of spinal nerves below the end of the spinal cord |
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| part of a nerve cell that contains the nucleus |
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| brain and the spinal cord |
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| abbreviation for central nervous system |
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| posterior part of the brain that coordinates muscle movements and maintains balance |
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| outer region of the cerebrum, containing sheets of nerve cells--the gray matter of the brain |
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| circulates throughout the brain and spinal cord |
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| What is the abbreviation for cerebral spinal fluid? |
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| largest part of the brain--responsible for voluntary muscular activity, vision, speech, taste, hearing, thought, and memoy |
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| twelve pairs of nerves that carry messages to and from the brain with regard to the head and neck |
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| T or F: Like other cranial nerves, the vagus nerve carries messages to and from the brain with regard to the head and neck |
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| microscopic branching fiber of a nerve cell that is the first part to receive the nervous impulse |
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| thick, outermost layer of the meninges surrounding and protecting he brain and spinal cord |
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| Latin word meaning hard mother |
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| carries messages away from the brain and spinal cord--a motor nerve |
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| glial cell that lines membranes within the brain and spinal cord and helps form cerebrospinal fluid |
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| collection of nerve cell bodies in the peripheral nervous system |
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| supportive and connective nerve cell that does not carry nervous impulses--examples are astrocytes, microglial cells, ependymal cells, and oligodendrocytes |
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