Dictionary

Enter a word or phrase below to search our online dictionary of over 1,300 general medical terms, or click on a letter of the alphabet to view all terms beginning with that letter:

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Search for 'H'

Phrase Definition
hexachlorophene A detergent that kills germs.
hand-foot-and-mouth disease A viral infection characterized by a blister-like rash of the hands, feet and mouth.
Hansen's disease Leprosy.
heart failure Inability of the heart to adequately pump blood.
heartburn Indigestion. A burning sensation in the chest caused by a reflux of acid into the esophagus or too much acid in the stomach.
hematology The branch of medicine that pertains to blood and the organs involved in forming blood.
hemostasis Control of bleeding.
hepatic Having to do with the liver.
hirsutism Excessive hair growth, usually on the face and chest. Often caused by an imbalance in hormones.
histamine A substance released from certain cells in response to allergens, associated with the development of allergic symptoms, including itchy eyes, sneezing and congestion.
HIV Human immunodeficiency virus. A virus that slowly destroys the immune system. The virus that causes AIDS.
Hodgkin's disease A progressive form of lymphoma usually characterized by weakness, swollen lymph nodes, sweating, fever and weight loss.
Huntington's chorea A hereditary form of chorea (sudden, jerky motions of the arms or other parts of the body) that usually affects people during their early 40s.
hydatidiform mole A cystic tumor of the placental tissues of an abnormal pregnancy. Complications of this disorder include bleeding and infection.
hyperglycemic High blood sugar.
hypertension Abnormally high blood pressure.
hypodermic Beneath the skin.
hysterectomy Surgical removal of all or part of the uterus.