Health Information Library

Dry eye that occurs when tears don't provide enough moisture.

A condition in which the body doesn't have enough vitamin B-1, also called thiamin.

Tissue growth on a mucous membrane.

A noncancerous tumor made up of fibrous or connective tissue.

A hardened deposit of fluid in the gallbladder, a small organ under the liver.

Fluid-filled or solid lump that doesn't usually mean anything serious is wrong.

Inflammation or irritation of a small sac of fluid, known as the olecranon bursa, on the tip of the elbow.

Decreased vision due to abnormal visual development.

A growth of cells that affects the penis.

A large, flat birthmark that can range in color from deep brown to slate gray or blue-black.

An unusual increase in the number of red blood cells in the blood.

Adenocarcinoma is a type of cancer that starts in gland cells. Learn about symptoms, diagnosis, grades, stages, treatment and prognosis.

A life-threatening condition in which the heart suddenly can't pump enough blood.

A rare condition involving four heart changes present at birth.

A sickness that people get from something they ate or drank.

A cancer developing from cells that line the skin or inner organs, called epithelial cells.

Inflammation of the peritoneum, the thin layer of tissue lining the abdomen and covering the organs in the abdomen.

An illness caused by breathing in too much of this deadly gas.

An inflammatory disease marked by muscle weakness and skin rash.

A type of heart valve disease in which the valve between the left heart chambers doesn't close tightly, allowing blood to leak backward.