als covered by a crust-like
shell.

CUTANEOUS. Belonging to, or affecting, the skin.

CUTICLE. The outer layer of the skin, consisting of small bony scales.

CYSTITIS. Inflammation of the bladder. In chronic form, Catarrh of the
bladder.

D

DEBRIS. Broken-down tissue. Waste material.

DECOCTION. Defined on page 303.

DEFECATION. Voiding excrement from the body.

DEGENERATION, FATTY. The deposit of particles of fat instead of the
proper muscular tissue.

DEGLUTITION. Swallowing. Conveying food to the stomach.

DEJECTION OF MIND. Despondency. Low spirits.

DEJECTIONS. The matter voided from the bowels.

DELETERIOUS. Destructive. Poisonous.

DENTITION. Cutting of the teeth in infancy.

DEODORIZER. A substance that destroys a bad smell.

DEPLETION. To empty the blood-vessels by lancing a vein or by medicines.

DEPRAVATION. Corruption.

DEPURATING. Cleansing.

DERMATOLOGIST. One who makes diseases of the skin a specialty.

DESICCATE. To dry up.

DESQUAMATION. Scaling off of the skin, after fevers.

DESQUAMATIVE NEPHRITIS, Bright's Disease, in which epithelial cells
escape with the urine.

DIABETES. Defined on page 835.

DIAGNOSIS. The determination of a disease by its symptoms or
characteristics.

DIAGNOSTIC. The symptoms by which a disease is distinguished from
others.

DIAPHORETIC. Medicines which increase perspiration.

DIAPHRAGM. Defined on page 32.

DIATHESIS. Peculiarity of constitution. Predisposition to certain
diseases.

DIGESTION. The function by which food passing along the alimentary canal
is prepared for nutrition.

DILATATION. Increasing in size by Instruments or other agencies.

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.

DURA MATER. A thick, fibrous membrane lining the skul