Front | Back |
Meninges
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Located between the bone and soft tissues of the nervous system, protects brain and spinal cord
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Venticles
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Interconnected cavities located within the cerebral hemispheres and brain stem
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Choroid plexuses
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Tiny reddish cauliflower-like masses of specialized capillaries from pia mater
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Cerebrospinal fluid
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Clear viscid fluid, that differs in composition from the fluid that leaves the capillaries in other parts of the body
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Spinal nerves
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31 segments- pairs of nerves that branch to various body parts and connect them with the CNS
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Nerve Tracks
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A long bundle of nerve fibers within the CNS having the same origin, function, and termination
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Reflexes
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A rapid, automatic response to a stimulus
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Spinal reflex
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Reflexes whose arcs pass though the spinal cord
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Descending nerve tracts
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Those that conduct motor impulses from the brain to motor neurons reaching muscles and glands
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Ascending nerve tracts
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The tracts that conduct sensory impulses to the brain
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Cerebrum
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Develops from the anterior portion of the forebrain, largest part of the mature brain
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Corpus Callosum
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A deep ridge of nerve fibers that connect the cerebral hemispheres
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Gyri
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Ridges separated by grooves, mark the cerebrum's surface
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Sulcus
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Shallow grooves that separate the lobes and make pathways
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Fissure
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Deep groove that separates left and right hemispheres
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