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Central Nervous System Notes
CNS Notes
17
Anatomy
12th Grade
01/22/2013

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Cards

Term
Collections of Neuron Cell Bodies/CNS
Definition
Nuclei
Term
Collections of Neuron Cell Bodies/PNS
Definition
Ganglia
Term
Bundles of Neuron Processes/CNS
Definition
Tracts
Term
Bundles of Neuron Processes/PNS
Definition
Nerves
Term
Grey Matter
Definition
Unmyelinated Fibers
Term
White Matter
Definition
Myelinated Fibers (Insulated, Transmit info. fast)
Term
Cerebrum
Definition
Cerebral Cortex
White Matter
Basal Nuclei
Term
Diencephalon
Definition
Thalamus
Hypothalamus
Term
Cerebellum
Definition
2 Hemispheres
Term
Brain Stem
Definition
MidBrain
Pons
Medulla Oblongata
Term
Cerebrospinal Fluid
Definition
Watery Protective Cushion
Circulated in arachnoid space, ventricles, central canal of the spinal cord
Term
Blood-Brain Barrier
Definition
Keeps fluid around brain controlled. You don't want sudden changes because they cause problems. Doesn't block water, glucose, respiratory, nicotine, alcohol, anesthesia.
Term
Spinal Cord
Definition
L1 or L2 lubar Vertebra
Term
__ pairs of spinal nerves arise from the spinal cord
Definition
31
Term
Dorsal Root of Spinal Nerve
Definition
Sensory Neurons
Term
Ventral Root of Spinal Nerve
Definition
Motor Neurons
Term
Pia mater
Arachnoid
Dura mater
Definition
Meninges
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