ART (antiretroviral therapy)
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.
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- Artemidorus
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 […]
- Artemisinin
Artemisinin: Artemisinin: Artemisia (Artemisia annua), also known as sweet Annie or annual wormwood, is an annual herb native to China, where it is known as qinghao. Artemisia is mentioned in the Chinese Handbook of Prescriptions for Emergency Treatments of 340 AD for treatment of fevers. Artemisinin, pronounced ar-te-mis’-in-in with the accent on the mis, was […]
- Artemsisia annua
Artemsisia annua: A Chinese herb (qinghaosu or sweet wormwood) from which is extracted the antimalarial agent artemisinin.
- Arterial blood gas (ABG)
Arterial blood gas (ABG): The sampling of the blood levels of oxygen and carbon dioxide within the arteries, as opposed to the levels of oxygen and carbon dioxide in venous blood. Typically the acidity, or pH, of the blood is measured simultaneously with the gas levels in ABG sampling.
- Arterial tension
Arterial tension: The pressure of the blood within an artery, the arterial pressure. Also called the intra-arterial pressure.