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30 Cards in this Set
- Front
- Back
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The study of the nervous system and its disorders is
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Neurology
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What are the 3 basic functions of the nervous system?
Use umbrella terms such as "intergrative" etc. |
Sensory,
Integrative Motor |
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What is the CNS composed of
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Brain and Spinal Cord
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What is the Peripheral Nervous System composed of?
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Nerves and Sensory Receptors
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What are the two subdivisions of the Peripheral Nervous System?
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Afferent (Sensory) and Efferent (motor)
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What are the two subdivisions of the EFFERENT NERVOUS SYSTEM?
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Somatic and Autonomic
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What are the two subdivisions of the AUTONOMIC NERVOUS SYSTEM?
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Sympathetic and Parasympathetic
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What is the function of the Afferent Nervous System?
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Transmit sensory information from receptors to CNS
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What is the function of the Efferent Nervous System?
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Transmit orders/signals from the brain to muscles and glands
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What is the function of the Somatic Nervous System?
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To innervate skeletal muscle
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What is the function of the Autonomic Nervous System?
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To innervate Smooth and Cardiac muscle
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The __________ prepares body for the FIGHT or FLIGHT response
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Sympathetic Nervous System
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The __________ maintains normal bodily functions such as digestion, when not aroused
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Parasympathetic
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Are neurons capable of mitosis to make repairs when damaged?
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No
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What are the 3 parts of a neuron?
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Cell body (soma), dendrite, axon
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Action potentials are carried away from the cell body by the
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Axon
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Conduct action potentials toward cell body; most neurons have several of these:
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Dendrites
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What are the 3 functional classifications of Neurons?
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Sensory
Motor Association (Interneurons) |
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What are the Structural classification of Neurons?
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Unipolar
Bipolar Multipolar |
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What is the function of glial cells?
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Physically and physiologically support neurons
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Structural Type: Many dendrites and one axon
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Multipolar
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Structural Type: One dendrite and one axon
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Bipolar
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Structural Type: One dendrite and one axon that are continuous with each other
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Unipolar/Pseudounipolar
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Function of: Astrocytes
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Aid neurons with metabolism; form blood-brain barrier around capillaries
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Phagocytize foreign invaders and cellular debris
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Function of: Microglial Cells
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Function of: Ependymal Cells
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Line spaces inside brain and secrete cerebrospinal fluid (CSF)
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Myelinate neurons in the CNS
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Function of: Oligodendrocytes
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Function of: Schwann Cells
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Form myelin sheaths around neurons in the PNS (p. 449, top)
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Support clusters of neuron cell bodies in the PNS
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Function of: Satellite Cells
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Myelin is a lipid produced in the cytoplasm of which two cells?
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Oligodendrocytes and Schwann Cells
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