Astringent—Binding; contracting.

Auricle—A cavity of the heart.

Axilla—The armpit.

Azote—Nitrogen.

Bacteria—Infusoria; microscopical insects.

Bicuspid—A two-pointed tooth.

Bile—Secretion from the liver.

Bronchitis—Inflammation of the bronchial tubes which lead into the lungs.

Calculus—A stone found in the bladder, gall-ducts and kidneys.

Callous—A hard bony substance or growth.