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Definition
| another name for glial cell |
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| sheet of nerve cells that produce a rounded ridge on the surface of the cerebral cortex |
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| portion of the brain beneath the thalamus that controls sleep, appetitie, body temperature, and secretions from the pituitary glands |
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| part of the brain just above the spinal cord that controls breathing, heartbeat, and the size of blood vessels--also where nerve fibers cross over |
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| three protective membranes that surround the brain andspinal cord |
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| phagocytic glial cell that removes waste products from the central nervous system |
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| carries messages away from the brain and spinal cord to muscles and organs--an efferent nerve |
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| covering of white fatty tissue that surrounds and insulates the axon of a nerve cell |
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Definition
| speeds impulse conduction along axons |
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| macroscopic cord-like collection of fibers (axons and dendrites) that carry electrical impulses |
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| nerve cell that carries impulses throughout the body |
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| chemical messeger released at the end of a nerve cell--which can stimulate or inibit another cell |
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Definition
Neurotransmitters stimulate and inhibit:
a) nerve cells
b) muscle cells
c) gland cells
d) all of the above
e) a and b |
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Definition
Which is a neurotransmitter?
a) acetylcholine
b) norepinephrine
c) dopamine
d) serotonin
e) all of the above
f) all but b |
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Definition
| organ that receives a nervous stimulus and passes it on to afferent nerves |
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Definition
| glial cell that forms the myelin sheath covering axons |
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| another name for oligodendroglial cell |
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| involuntary, autonomic nerves that regulate normal body functions such as heart rate, breathing, and muscles of the gastrointestingal trac |
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Definition
| essential, distinguishing tissue of any organ or system |
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| brain, spinal cord, neurons |
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Definition
| What three things make up the parenchyma of the nervous system? |
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Definition
| What are the parenchymal cells of the liver? |
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Definition
| What is the parencymal tissue of the kidneys? |
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Term
| peripheral nervous system |
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Definition
| nerves outside the brain ad spinal cord--cranial, spinal, and autonomic nerves |
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Definition
| tin, delicate inner membrane of the meninges |
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Definition
| large, interlacing network of nerves |
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Definition
| Combined form meaning arm |
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| part of the brain anterior to the cerebellum and between the medulla and the rest of hte midbrain-a bridge connecting various parts of the brain |
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| The Latin word pons means _________ |
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