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Nervous System

The Nervous System

anesthesia without feeling or sensation
aneurysm A localized dilatation in the wall of an artery that expands with each pulsation of the artery
brain stem The stemlike portion of the brain that connects the cerebral hemisphere with the spinal cord.
burr hole A hole drilled into the skull using a form of drill.
cerebellum The part of the brain responsible for coordinating voluntary muscular movement; located behind the brain stem.
cerebral contusion Small scattered venous hemorrhages in the brain
cerebrospinal fluid The fluid flowing through the brain and around the spinal cord that protects them from physical blow or impact
coma A deep sleep in which the individual cannot be aroused and does not respond to external stimuli.
craniotomy A surgical incision into the cranium or skull.
deficit Any deficiency or variation of the normal
dysphasia Difficult speech
hemiplegia Paralysis of one half of the body
herpes zoster An acute infection caused by the same virus that causes chickenpox, characterized by painful vesicular lesions along the path of a spinal nerve; also called shingles.
hyperesthesia Excessive sensitivity to sensory stimuli, such as pain or touch.
interneurons Connecting neurons that conduct impulses from afferent nerves to or toward motor nerves.
lethargy A state of being slugish
medulla oblongata One of the three parts of the brain stem.
meninges The three layers of protective membranes that surround the brain and spinal chord.
narcolepsy Uncontrolled, sudden attacks of sleep.
occlusion Blockage
paresthesia A sensation of numbness or tingling.
phagocytosis The process by which certain cells engulf and destroy microorganisms and cellular debris.
sciatica Inflammation of the sciatic nerve.
Afferent Nerves carries impulses from the body to the Central Nervous System
Created by: kellyh2oman