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24 Cards in this Set
- Front
- Back
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Supportive cells of the nervous system also called glial cells |
Neuroglia |
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Form myelin sheets in the central nervous system endo |
Oligodendrocytes |
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Line spinal cord and cavities of the brain |
Ependymal cells |
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Preform phagocytosis |
Microglia |
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Form blood-brain barrier |
Astrocytes |
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Form myelin stealth around nerves in the peripheral nervous system |
Shwann cells |
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Astrocytes join with the endothelial cell’s lining the wall of capillaries to create semi-permeable membranes |
Blood-brain barrier |
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Detect stimuli |
Sensory neurons |
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Connect the incoming sensory pathways with the outgoing motor pathways |
Interneurons |
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Relays messages from the brain |
Motor neurons |
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The brain has 12 pairs relays messages to the rest of the body On - olfactory Old- optic Olympus- oculomotor Towering- Trochlear Top- Trigeminal A- Abducens Friendly- Facial Viking- Vestibulocochlear Grew- glossopharyngeal Vines- Vagus And- Accessory Hops- Hypoglossal |
Cranial nerves |
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Consist of the brain and spinal cord |
Central nervous system |
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Consists of vast network of nerves throughout the body |
Peripheral nervous system |
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Carries signals from nerve endings to central nervous system |
Sensory (afferent) division |
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Transmits information from central nervous system to the rest of the body |
Motor (efferent) division |
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Carries signals from viscera of heart lungs stomach and bladder |
Visceral sensory |
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Carries signals from skin, bones, joints and muscles |
Somatic sensory |
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Allows voluntary movement of skeletal muscles |
Somatic motor |
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Provides automatic activities control of blood pressure and heart rate |
Autonomic motor |
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Arouses the body for action |
Sympathetic division |
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Has a calming effect |
Parasympathetic division |
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Impulses-conducting cells that perform the work of the nervous system |
Neurons |
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Protect the neurons |
Neuroglia |
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What helps protect the brain from foreign substances |
Blood-brain barrier |
