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.
- Arteries, coronary
Arteries, coronary: The vessels that supply the heart muscle with blood rich in oxygen. They are called the coronary arteries because they encircle the heart in the manner of a crown. The word “coronary” comes from the Latin “corona” and Greek “koron” meaning crown. Like other arteries, the coronaries may be subject to arteriosclerosis (hardening […]
Arteriogram: An X-ray in which an injection of dye shows blood vessels.
- Arteriohepatic dysplasia
Arteriohepatic dysplasia: Also known as Alagille syndrome, this ia a genetic disorder characterized by jaundice in the newborn period, liver disease with cholestasis, peripheral pulmonic stenosis and unusual face. Children with Alagille syndrome usually present with jaundice (yellowing of the skin and whites of the eyes) in the newborn period. Cholestasis (stagnant flow of bile […]