Clinical Terms Related to the Nervous System

analgesia (an"al-je'ze-ah) Loss or reduction in the ability to sense pain, but without loss of consciousness. analgesic (an"al-je'sik) Pain-relieving drug. anesthesia (an"es-the'ze-ah) Loss of feeling. aphasia (ah-fa'ze-ah) Disturbance or loss in the ability to use words or to understand them, usually due to damage to cerebral association areas.

apraxia (ah-prak'se-ah) Impairment in a person's ability to make correct use of objects. ataxia (ah-tak'se-ah) Partial or complete inability to coordinate voluntary movements. cordotomy (kor-dot'o-me) Surgical procedure severing a nerve tract within the spinal cord, usually to relieve intractable pain.

craniotomy (kra"ne-ot'o-me) Surgical procedure opening a part of the skull. encephalitis (en"sef-ah-li'tis) Inflammation of the brain and meninges characterized by drowsiness and apathy. epilepsy (ep'i-lep"se) Temporary disturbances in normal brain impulses that may be accompanied by convulsive seizures and loss of consciousness. Huntington disease (hunt'ing-tun di-zez') Hereditary disorder of the brain producing progressively worsening, uncontrollable dancelike movements and personality changes.

laminectomy (lam"i-nek'to-me) Surgical removal of the posterior arch of a vertebra, usually to relieve symptoms of a ruptured intervertebral disk that is pressing on a spinal nerve.

neuralgia (nu-ral'je-ah) Sharp, recurring pain associated with a nerve, usually caused by inflammation or injury. neuritis (nu-ri'tis) Inflammation of a nerve. vagotomy (va-got'o-me) Surgical severing of a vagus nerve.

Shier-Butler-Lewis: Human Anatomy and Physiology, Ninth Edition

III. Integration and Coordination

11. Nervous System II: Divisions of the Nervous System

© The McGraw-Hill Companies, 2001

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