antipyretics. Agents reducing fever.
antiseptic. Preventing, or destroying the germs of putrefaction or suppuration.
antitoxin. A substance in the serum, which binds and neutralizes toxin.
anus. The orificial extremity of the rectum.
apposition. Contact of two bodies or two surfaces.
argyrol. A soluble, non-irritating silver preparation used in the treatment of various inflammations of mucous membranes.
arsenic. A metalic element in chemistry.
arterial. Pertaining to an artery.
arteries. Vessels carrying blood from the heart.
arteriosclerosis. A fibrous overgrowth of the inner coat of an artery.