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16 Cards in this Set

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  • Back
Name the three membranous coverings of the central nervous system in order, beginning with the outermost layer
Dura mater, arachnoid membrane, and pia mater.
What are spinal nerve roots? How does the dorsal root differ from the ventral root?
Bundles of nerve fibers tht project from each side of the spinal cord. The dorsal root carries sensory information, whereas the ventral root carries motor information
Brain Stem
part of brain containing the midbrain, pons, and medulla oblongata
Cerebellum
second largest part of the human brain; plays an essential role in the production of normal movements
Cerebrospinal Fluid (CSF)
plasma-like fluid that fills the subarachnoid space in the brain and spinal cord and in the cerebral ventricles
Cerebrum
largest and uppermost part of the human brain that controls consciousness, memory, sensations, emotions, and voluntary movements
Diencephalon
“between” brain; parts of the brain between the cerebral hemispheres and the mesencephalon, or midbrain
Electroencephalogram
graphic representation of voltage changes in brain tissue used to evaluate nerve tissue function
Hypothalmus
important autonomic and neuroendocrine control center located inferior to the thalamus in the brain
Limbic System
parts of the brain involved in emotions and sense of smell; plays key role in coupling sensory inputs to short- and long-term memor
Meninges
fluid-containing membranes surrounding the brain and spinal cord
Plexus
complex network formed by converging and diverging nerves, blood vessels, or lymphatics
Reticular Formation
located in the medulla where bits of gray and white matter mix intricately; this structure is involved in regulating input from sensory neurons, arousal, and motor control
Spinal nerve
nerve that connects the spinal cord to peripheral structures such as the skin and skeletal muscles
Thalamus
mass of gray matter located in diencephalon just above the hypothalamus; helps produce sensations, associates sensations with emotions, and plays a part in the arousal mechanism
ventricles
such as the large, fluid-filled spaces within the brain or the chambers of the heart