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| This glossary contains: 19186 medical terms |
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ART (antiretroviral therapy)
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ART (antiretroviral therapy)"Treatment that suppresses or stops a retrovirus. One of the retrovirus is the human immunodeficiency virus (HIV) that causes AIDS. Retroviruses are so named because they carry their genetic information in the form of RNA rather than DNA so that the information must be transcribed in ""reverse"" direction -- from RNA into DNA."
RELATED TERMS--------------------------------------
Retrovirus
A virus that produces DNA from RNA (the opposite of the normal order). A group of viruses that includes HIV.
Virus
Ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein.
AIDS
A medical condition where the immune system cannot function properly and protect the body from disease. As a result, the body cannot defend itself against infections (like pneumonia). Aids is caused by the Human Immunodifiency Virus (HIV). This virus is spread through direct contact with the blood and body fluids of an infected individual. High-risk activities include unprotected sexual intercourse and intravenous drug use (sharing needles). There is no cure for AIDS; however, research efforts are on going to develop a vaccine.
Genetic
Hereditary. Having to do with the genes.
SIMILAR TERMS--------------------------------------
PREVIOUS AND NEXT TERMS--------------------------------------
Arrhythmias, slow
Abnormally slow heart rhythms, medically termed bradycardia.
Arrhythmias, ventricular
Abnormal rapid heart rhythms (arrhythmias) that originate in the lower chambers of the heart (the ventricles). Ventricular arrhythmias include ventricular tachycardia and ventricular fibrillation. Both are life threatening arrhythmias most commonly associated with heart attacks or scarring of the heart muscle from previous heart attack.
ARS
Acute radiation syndrome.
Arsenic
metallic element that forms a number of poisonous compounds, arsenic is found in nature at low levels mostly in compounds with oxygen, chlorine, and sulfur. These are called inorganic arsenic compounds. Arsenic in plants and animals combines with carbon and hydrogen. This is called organic arsenic. Organic arsenic is usually less harmful than inorganic arsenic.
Arsine
colorless highly toxic gas. Arsine has a garlic-like or fishy odor. Because arsine is nonirritating and produces no immediate symptoms, persons exposed to hazardous levels of it may be unaware of its presence. Arsine is water soluble. It is generally shipped in cylinders as a liquefied compressed gas. Exposure frequently occurs when arsine gas is generated while metals or crude ores containing arsenic impurities are treated with acid and this is a common source of exposure.
ART (antiretroviral therapy)
Artemidorus
"Artemidorus of Daldis. Greek physician who wrote Oneirocritica, a work dedicated to the interpretation of dreams, in the middle of the second century C.E. Artemidorus gathered evidence during interviews with thousands of people about their dreams. While his work has often been dismissed as mere divination, the careful study of dreams by modern psychiatrists has brought them back into the realm of scientific observation. ""In later antiquity Artemidorus of Daldis was regarded as the greatest authority on dream-interpretation ..."" (Sigmund Freud, The Interpretation of Dreams)"
Artemisinin
An antimalarial agent extracted from the dry leaves of the Chinese herb Artemsisia annua (qinghaosu or sweet wormwood). This plant is grown each year starting from seed and only yields artemesinin under specific agricultural and climatological conditions. Wormwood is cultivated only in China, Vietnam and pilot projects in Tanzania and India. It takes eight months to mature.
Artemsisia annua
A Chinese herb (qinghaosu or sweet wormwood) from which is extracted the antimalarial agent artemisinin.
Arteria femoralis
See: Femoral artery.
Arterial aneurysm
"An outpouching (aneurysm) of an artery. As opposed to a venous or cardiac aneurysm. An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is typically a bulge and the wall is weakened and may rupture. The word ""aneurysm"" comes from the Greek ""aneurysma"" meaning ""a widening."""
RELATED TERMS--------------------------------------
Retrovirus
A virus that produces DNA from RNA (the opposite of the normal order). A group of viruses that includes HIV.
Virus
Ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein.
AIDS
A medical condition where the immune system cannot function properly and protect the body from disease. As a result, the body cannot defend itself against infections (like pneumonia). Aids is caused by the Human Immunodifiency Virus (HIV). This virus is spread through direct contact with the blood and body fluids of an infected individual. High-risk activities include unprotected sexual intercourse and intravenous drug use (sharing needles). There is no cure for AIDS; however, research efforts are on going to develop a vaccine.
Genetic
Hereditary. Having to do with the genes.
SIMILAR TERMS--------------------------------------
PREVIOUS AND NEXT TERMS--------------------------------------
Arrhythmias, slow
Abnormally slow heart rhythms, medically termed bradycardia.
Arrhythmias, ventricular
Abnormal rapid heart rhythms (arrhythmias) that originate in the lower chambers of the heart (the ventricles). Ventricular arrhythmias include ventricular tachycardia and ventricular fibrillation. Both are life threatening arrhythmias most commonly associated with heart attacks or scarring of the heart muscle from previous heart attack.
ARS
Acute radiation syndrome.
Arsenic
metallic element that forms a number of poisonous compounds, arsenic is found in nature at low levels mostly in compounds with oxygen, chlorine, and sulfur. These are called inorganic arsenic compounds. Arsenic in plants and animals combines with carbon and hydrogen. This is called organic arsenic. Organic arsenic is usually less harmful than inorganic arsenic.
Arsine
colorless highly toxic gas. Arsine has a garlic-like or fishy odor. Because arsine is nonirritating and produces no immediate symptoms, persons exposed to hazardous levels of it may be unaware of its presence. Arsine is water soluble. It is generally shipped in cylinders as a liquefied compressed gas. Exposure frequently occurs when arsine gas is generated while metals or crude ores containing arsenic impurities are treated with acid and this is a common source of exposure.
ART (antiretroviral therapy)
Artemidorus
"Artemidorus of Daldis. Greek physician who wrote Oneirocritica, a work dedicated to the interpretation of dreams, in the middle of the second century C.E. Artemidorus gathered evidence during interviews with thousands of people about their dreams. While his work has often been dismissed as mere divination, the careful study of dreams by modern psychiatrists has brought them back into the realm of scientific observation. ""In later antiquity Artemidorus of Daldis was regarded as the greatest authority on dream-interpretation ..."" (Sigmund Freud, The Interpretation of Dreams)"
Artemisinin
An antimalarial agent extracted from the dry leaves of the Chinese herb Artemsisia annua (qinghaosu or sweet wormwood). This plant is grown each year starting from seed and only yields artemesinin under specific agricultural and climatological conditions. Wormwood is cultivated only in China, Vietnam and pilot projects in Tanzania and India. It takes eight months to mature.
Artemsisia annua
A Chinese herb (qinghaosu or sweet wormwood) from which is extracted the antimalarial agent artemisinin.
Arteria femoralis
See: Femoral artery.
Arterial aneurysm
"An outpouching (aneurysm) of an artery. As opposed to a venous or cardiac aneurysm. An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is typically a bulge and the wall is weakened and may rupture. The word ""aneurysm"" comes from the Greek ""aneurysma"" meaning ""a widening."""
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This dictionary contains 19186 terms.
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