Diluents. Fluids which thin the blood or hold medicines in solution.

Director. An instrument having a groove which directs the knife and protects underlying parts from injury.

Disinfectants. Substances which arrest putrefaction.

Dislocation. The act of or state of, being forced from its proper situation.

Distilled. Separated by heat from other substances and collected by condensation.

Diuretics. Medicines which increase the flow of urine.

Douche. Dashes of water. An instrument for washing the nasal membrane.

Drastics. Medicines which move the bowels harshly or frequently.

Dropsy. The accumulation of fluid In the cavities or cellular tissue of the body.

Duodenum. The first portion of the intestines. Illus. [page 44].