Abortion, artificial: An abortion that is brought about intentionally. Also called an induced or therapeutic abortion. As opposed to a spontaneous abortion (a miscarriage).
Acaricide: An agent, usually a chemical, that kills mites. This class of pesticides is large and includes antibiotic acaricides, carbamate acaricides, formamidine acaricides, mite growth regulators, organophosphate acaricides, and many others. From the Latin acarus, a mite + -cide, to kill.
- Acanthamoeba keratitis
Acanthamoeba keratitis: Infection of the cornea by acanthamoeba, a microscopic water-borne ameba. The disease tends to occur in people who wear contact lens. It can accompany a bacterial infection of the eye. Acanthamoeba keratitis can produce corneal ulceration and result in severe loss of vision and even blindness. Signs and symptoms are persistent redness and […]
- Acceptable daily intake
Acceptable daily intake: Estimate of the amount of a substance in food or drinking water, expressed on a body mass basis (usually mg/kg body weight), which can be ingested daily over a lifetime by humans without appreciable health risk. For calculation of the daily intake per person, a standard body mass of 60 kg is […]
Acapnia: Lower than normal level of carbon dioxide in the blood. The opposite of acapnia is hypercapnia.
- Accessibility of services
Accessibility of services: The ability to get medical care and services when needed.