anesthesia. Loss of sensation.
anesthesin. An ethylic ether used as a local anesthetic.
aneurism. A saclike dilation in the wall of an artery as the result of weakness of its tissues.
angioma. A tumor formed of blood vessels.
animal. An organic being, with life and power of motion.
ankylosis. Stiffening of a joint.
anthrax. The disease produced by the bacillus anthracis.
anti. A prefix signifying against; in relation to symptoms and diseases, curative.
antidote. An agent which neutralizes or counteracts the effects of a poison.