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22 Cards in this Set
- Front
- Back
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consists of the brain and spinal cord |
Central nervous system |
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Nerves and ganglia outside the CNS |
PNS |
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Transmit action potentials from sensory organs to CNS |
Afferent division |
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Subdivision of the efferent division that transmit action potentials from the CNS to skeletal muscle only |
Somatic motor nervous system |
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subdivision of the efferent division that transmit action potentials to smooth muscle, cardiac muscle, or glands; includes sympathetic and para sympathetic divisions |
Autonomic nervous system |
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Deep groove that separates right and left cerebral hemispheres |
Longitudinal fissure |
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Raised folds on the surface of each cerebral hemisphere |
Gyri |
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Groove that separates the frontal and parietal lobes |
Central sulcus |
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Deep groove that separates the temporal lobe from the rest of the cerebrum |
Lateral fissure |
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The largest part of the brain |
Cerebrum |
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Voluntary motor function, motivaton, aggression, mood, and smell |
Frontal lobe |
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Reception and evaluation of most sensory information, such as touch, balance, and taste |
Parietal lobe |
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Reception and integration of visual output |
Occipital lobe |
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evaluation of auditory and olfactory input; also memory, abstract thought and judgement |
Temporal lobe |
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Gray matter in the spinal cord containing sensory neurons |
Posterior (Dorsal) Horn |
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Gray matter in the spinal cord containing motor neurons |
Anterior (ventral) horn |
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Gray matter in the spinal cord containing sympatheic autonomic neurons |
Lateral horn |
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Part of white matter; ascending or descending axons that are grouped by function; nerve pathway |
Nerve tract |
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Afferent nerve processes that carry action potentials to the spinal cord |
Dorsal root |
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Efferent nerve processes that carry action potentials away from the spinal cord |
Ventral root |
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Structures containing the cell bodies of afferent neurons |
Dorsal root ganglia |
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Formed by joining of dorsal and ventral roots |
Spinal nerve |
