| Term 
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        | Thinking, personality, sensations,movements, memory |  | 
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        | Relay station for sensory impluses; pain |  | 
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        | Body temperature, sleep, appetite, emotions, control of the pituitary gland |  | 
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        | Coordination of voluntary movements and balance |  | 
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        | Connection of nerves (to the eyes and face) |  | 
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        | MEDULLA OBLONGATA FUNCTION |  | Definition 
 
        | Nerve fibers cross over left to right and right to left; contains centers to regulate heart, blood vessels, and repiratory system |  | 
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        | Neurotransmitter chemical released at the ends (synapses) of nerve cells |  | 
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        | Carry messages TOWARD the brain and spinal cord (sensory nerves) |  | 
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 | Definition 
 
        | Middle layer of three membranes (meninges) that surround the brain and spinal cord. The Greek arachne means spider |  | 
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        | A type of glial (neurologic) cell that transports water and salts from capillaries |  | 
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        | Nerves that control involuntary body functions of muscles, glands, and internal organs. |  | 
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 | Definition 
 
        | Microscopic fiber that carries the nervous impulse along a nerve cell |  | 
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        | Blood vessels (capillaries) that selectively let certain substances enter the brain tissue and keep other substances out |  | 
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        | Lower portion of the brain that connects the cerebrum with the spinal cord. The pons and medulla oblongata are part of the brainstem |  | 
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        | Collection of spinal nerves below the end of the spinal cord |  | 
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        | Part of the nerve that contains the nucleus |  | 
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        | CENTRAL NERVOUS SYSTEM (CNS) |  | Definition 
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 | Definition 
 
        | Posterior part of the brain that coordinates muscle movements and maintains balance |  | 
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        | Term 
 | Definition 
 
        | Outer region of the cerebrum; containing sheets of nerve cells; gray matter of the brain |  | 
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        | Term 
 
        | CEREBROSPINAL FLUID (CSF) |  | Definition 
 
        | Fluid that circulates throughout the brain and spinal cord |  | 
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        | Term 
 | Definition 
 
        | Largest part of the brain; responsible for voluntary muscular activity, vision, speech, taste, hearing, thought, and memory |  | 
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 | Definition 
 
        | Twelve (12) pairs of nerves that carry messages to and from the brain |  | 
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 | Definition 
 
        | Microscopic branching fiber of a nerve cell that is the first part to receive the nervous impulse |  | 
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 | Definition 
 
        | Thick, outermost layer of the meninges surrounding and protecting the brain and spinal cord (Latin for hard mother) |  | 
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        | Term 
 | Definition 
 
        | Carry messages AWAY FROM the brain and spinal cord and helps form cerebrospinal fluid |  | 
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        | Term 
 | Definition 
 
        | Collection of nerve cell bodies in the peripheral nervous system |  | 
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        | Term 
 
        | GLIAL CELL (NEUROGLIAL CELL) |  | Definition 
 
        | Cell in the nervous system that is supportive and connective in function. Examples are astrocytes, microglial cells, ependymal cells, and oligodendrocytes |  | 
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 | Definition 
 
        | Sheet of nerve cells that produces a rounded fold on the surface of the cerebellum; convolution |  | 
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 | Definition 
 
        | Portion of the brain beneath the thalamus; controls sleep, appetite, body temperature, and secretions from the pituitary gland |  | 
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        | Part of the brain just above the spinal cord; controls breathing, heartbeat, and the size of blood vessels; nerve fibers cross over here |  | 
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        | Three protective membranes that surround the brain and spinal cord. |  | 
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 | Definition 
 
        | Phagocytic glial cell that removes waste products from the central nervous system |  | 
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 | Definition 
 
        | Carry messages away from the brain and spinal cord to muscles and organs; efferent nerves |  | 
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        | Term 
 | Definition 
 
        | White fatty tissue that surrounds and insulates the axon of a nerve cell. Myelin speeds impulse conduction along axons |  | 
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        | Term 
 | Definition 
 
        | Macroscopic cordlike collection of fibers (axons and dendrites) that carry electrical impulses |  | 
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 | Definition 
 
        | Nerve cell that carries impulses throughout the body |  | 
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        | Term 
 | Definition 
 
        | Chemical messenger, released at the end of a nerve cell. It stimulates or inhibits another cell, which can be a nerve cell, muscle cell, or gland cell |  | 
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        | Term 
 | Definition 
 
        | Glial cell that forms the myelin sheath covering axons. Also called oligodendrocyte |  | 
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 | Definition 
 
        | Involuntary, autonomic nerves that regulate normal bosy functions such as heart rate, breathing, and muscles of the gastrointestinal tract |  | 
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 | Definition 
 
        | Essential, distinguishing tissue of the nervous system; includes the brain and spinal cord. This is to distinguish it from surrounding tissues such as meninges |  | 
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        | Term 
 
        | PERIPHERAL NERVOUS SYSTEM (PNS) |  | Definition 
 
        | Nerves outside the brain and spinal cord; cranial, spinal, and autonomic nerves |  | 
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 | Definition 
 
        | Thin, delicate inner membrane of the meninges |  | 
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        | Term 
 | Definition 
 
        | Large, interlacing network of nerves. Ex are lumbosacral, cervical, and brachial plexuses. |  | 
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        | Term 
 | Definition 
 
        | Part of the brain anterior to the cerebellum and between the medulla and the rest of the midbrain. It is a bridge connecting various parts of the brain |  | 
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 | Definition 
 
        | Organ that receives a nervous stimulation and passes it on to nerves within the body. The skin, eyes, ears, and taste buds are receptors |  | 
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 | Definition 
 
        | Nerve extending from the base of the spine, down the thigh, lower leg, and foot. Sciatica is pain or inflammation along the course of the nerve |  | 
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 | Definition 
 
        | Carry messages to the brain and spinal cord from a receptor; afferent nerves |  | 
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 | Definition 
 
        | Thirty one (31) pairs of nerves arising from the spinal cord. Each spinal nerve affects a particular area of the skin |  | 
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        | Agent of change (light, sound, touch) in the internal or external enviroment that evokes a response. |  | 
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        | Connective and supporting tissue of an organ. Glial cells are the stromal tissue of the brain |  | 
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 | Definition 
 
        | Depression or groove in the surface of the cerebral cortex; fissure |  | 
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        | Autonomic nerves that influence bodily functions involuntarily in times of stress |  | 
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 | Definition 
 
        | Space through which a nervous impulse is transmitted from one neuron to another or from a neuron to another cell, such as a muscle or gland cell |  | 
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        | Main relay center of the brain. It conducts impulses between the spinal cord and the cerebrum; incoming sensory messages are relayed through the thalamus to appropriate centers in the cerebrum |  | 
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 | Definition 
 
        | Tenth (10th) cranial nerve; it's branches reach to the larynx, trachea, bronchi, lungs, aorta, esophagus, and stomach |  | 
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        | Canals of the brain that contain cerebrospinal fluid |  | 
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        | Nerve root (of spinal nerves) |  | 
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 | Definition 
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        | Sheath (refers to meninges) |  | 
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        | Vagus nerve (10th cranial nerve) |  | 
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 | Definition 
 
        | Excessive sensitivity to pain |  | 
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 | Definition 
 
        | Excessive sensitivity to pain |  | 
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        | Feeling, nervous sensation |  | 
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        | Feeling, nervous sensation |  | 
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 | Definition 
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        | Abnormal accumulation of cerebrospinal fluid in the brain. |  | 
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 | Definition 
 
        | Congenital defects in the lumbar spinal column caused by imperfect union of vertebral parts (neural tube defects) |  | 
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 | Definition 
 
        | Brain disorder marked by gradual and progressive mental deterioration (dementia) with personality changes and impairment of daily functioning. |  | 
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        | Term 
 
        | AMYOTROPHIC LATERAL SCLEROSIS (ALS) |  | Definition 
 
        | Degenerative disorder of motor neurons in the spinal cord and brainstem. AKA Lou Gehrig's disease |  | 
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 | Definition 
 
        | Chronic brain disorder characterized by recurrent seizure activity. |  | 
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        | Hereditary disorder marked by degenerative changes in the cerebrum leading to abrupt involuntary movements and mental deterioration. |  | 
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 | Definition 
 
        | Destruction of the myelin sheath on neurons in the CNS and its replacement by plaques of sclerotic (hard) tissue. |  | 
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 | Definition 
 
        | Autoimmune neuromuscular disorder characterized by weakness (-asthenia) of voluntary muscles (attached to bones) |  | 
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 | Definition 
 
        | Paralysis (partial or complete loss of motor function) |  | 
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        | PARKINSON DISEASE (PARKINSONISM) |  | Definition 
 
        | Degeneration of neurons in the basal ganglia, occuring in later life and leading to tremors, weakness of muscles, and slowness of movement |  | 
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 | Definition 
 
        | Involuntary, spasmodic, twitching movements; uncontrollable vocal sounds; inappropriate words |  | 
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 | Definition 
 
        | Viral infection affecting peripheral nerves |  | 
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 | Definition 
 
        | Inflammation of the meninges; leptomeningitis |  | 
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        | HUMAN IMMUNODEFICIENCY VIRUS (HIV) ENCEPHALOPATHY |  | Definition 
 
        | Brain disease and dementia occuring with AIDS |  | 
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 | Definition 
 
        | Abnormal growth of brain tissue and meninges |  | 
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 | Definition 
 
        | Temporary brain dysfunction (brief loss of consciousness) after injury, usually clearing within 24 hours. |  | 
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 | Definition 
 
        | Bruising of brain tissue as a result of direct trauma to the head; neurologic deficits persist longer than 24 hours. |  | 
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        | CEREBROVASCULAR ACCIDENT (CVA) |  | Definition 
 
        | Disruption in the normal blood supply to the brain; stroke. |  | 
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 | Definition 
 
        | Minor (petit mal) form of seizure, consisting of momentary clouding of consciousness and loss of awareness and surroundings. |  | 
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 | Definition 
 
        | Enlarged, weakened area in an arterial wall, which may rupture, leading to a hemorrhage and CVA (stroke). |  | 
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 | Definition 
 
        | Malignant tumor of astrocytes (glial brain cells) |  | 
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 | Definition 
 
        | Peculiar sensation experienced by some persons with epilepsy before onset of an actual seizure |  | 
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        | Mental decline and deterioration |  | 
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        | Destruction of myelin on axons of nerves (as in multiple sclerosis) |  | 
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        | CNS neurotransmitter, deficient in patient with Parkinson disease. |  | 
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 | Definition 
 
        | A mass (clot) of material travels through the bloodstream and suddenly blocks a vessel. |  | 
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        | Herpes virus that causes shingles-eruption of blisters in a pattern that follows the path of peripheral nerves around the trunk of the body; zoster means girdle. |  | 
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        | Pertaining to sudden, acute onset, as the convulsions of an epileptic seizure. |  | 
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        | Relieving symptoms but not curing |  | 
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        | Removal of the thymus gland (a lymphocyte-producing gland in the chest); used as treatment for myasthenia gravis |  | 
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        | Transient ischemic attack |  | 
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        | Involuntary movement of a small group of muscles, as of the face; characteristic of Tourette syndrome |  | 
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 | Definition 
 
        | Major (grand mal) convulsive seizure marked by sudden loss of consciousness, stiffening of muscles, and twitching and jerking movements |  | 
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        | CEREBROSPINAL FLUID ANALYSIS |  | Definition 
 
        | Samples of CSF are examined |  | 
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 | Definition 
 
        | X-ray imaging of the arterial blood vessel system in the brain after injection of contrast. |  | 
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        | COMPUTED TOMOGRAPHY OF THE BRAIN (CT) |  | Definition 
 
        | X-ray technique that generates computerized cross-sectional images of the brain and spinal cord. |  | 
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 | Definition 
 
        | X-ray imaging of the spinal canal after injection of contrast medium into the subarachnoid space |  | 
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        | MAGNETIC RESONANCE IMAGING (MRI) OF THE BRAIN |  | Definition 
 
        | Magnetic and radio waves create an image of the brain in all three planes |  | 
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        | POSITRON EMISSION TOMOGRAPHY (PET) SCAN |  | Definition 
 
        | Computerized radiologic technique using radioactive glucose to image the metabolic activity of cells |  | 
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        | DOPPLER/ULTRASOUND STUDIES |  | Definition 
 
        | Sound waves detect blood flow in the carotid and intracranial arteries |  | 
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        | ELECTROENCEPHALOGRAPHY (EEG) |  | Definition 
 
        | Recording of the electrical activity in the brain |  | 
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 | Definition 
 
        | CSF is withdrawn from between two lumbar vertebrae |  | 
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        | STEREOTACTIC RADIOSURGERY |  | Definition 
 
        | Use of specialized instrument to locate and treat targets in the brain |  | 
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 | Definition 
 
        | Alpha-fetoprotein; elevated levels in amniotic fluid and maternal blood are associated with congenital malformations of the nervous system, such as anencephaly and spina bifida |  | 
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 | Definition 
 
        | Amyotrophic lateral sclerosis- Lou Gehrig's disease |  | 
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 | Definition 
 
        | Arteriovenous malformation; congenital tangle of arteries and veins in the cerebrum |  | 
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        | Gamma-amniobutyric acid (neurotransmitter) |  | 
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 | Definition 
 
        | Intracranial pressure (normal pressure is 5 to 15 mm Hg) |  | 
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        | Monitered anesthetic care |  | 
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 | Definition 
 
        | Magnetic resonance angiography |  | 
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 | Definition 
 
        | Magnetic resonance imaging |  | 
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 | Definition 
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 | Definition 
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 | Definition 
 
        | Positron emission tomography |  | 
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        | Proton stereotactic radiosurgery |  | 
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 | Definition 
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        | Transcutaneous electrical nerve stimulation; technique using a battery powered device to relieve acute and chronic pain |  | 
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 | Definition 
 
        | Transient ischemic attack; temporary interface with the blood supply to the brain |  | 
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        | Tissue plasminogen activator; a clot dissolving drug used as therapy for strokes |  | 
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