debilitating — impairs the vitality and strength of a person.
decongestants — medications that treat cough and stuffy nose by shrinking swollen membranes in the nose and making it easier to breath.
deep venous thrombosis — a blood clot that forms in a deep vein in the body. Most deep vein clot occur I the lower leg or thigh. They also can occur in other parts of the body. A piece of a blood clot in a deep vein can break off, travel through the bloodstream and get stuck in the lung. When a blood clot gets stuck in the lung, it is called pulmonary embolism.
dehydration — excessive loss of body water that the body needs to carry on normal functions at an optimal level. Signs include increasing thirst, dry mouth, weakness or lightheadedness (particularly if worse on standing), and a darkening of the urine or a decrease in urination.
depression — term used to describe an emotional state involving sadness, lack of energy and low self-esteem.
diabetes — a disease in which blood glucose (blood sugar) levels are above normal. Type 2 diabetes, also known as adult-onset or noninsulin-dependent diabetes mellitus (NIDDM), is the most common form of diabetes. In type 2 diabetes, the body is resistant to the effects of available insulin. In type 1 diabetes, the body makes little or no insulin.
diabetic — a person with diabetes is diabetic.
diaphragm — birth control device made of a thin flexible disk, usually made of rubber, that is designed to cover the cervix to prevent the entry of sperm during sexual intercourse.
diarrhea — passing frequent and loose stools that can be watery. Acute diarrhea goes away in a few weeks. Diarrhea becomes chronic when it lasts longer than 4 weeks.
disability — a physical or mental impairment that interferes with or prevents "normal" achievement in a particular function.
diuretics — a type of medication sometimes called "water pills" because they work in the kidney and flush excess water and sodium from the body.
DNA test — a lab test in which a patient's DNA is tested. DNA is a molecule that has a person's genetic information and is found in every cell in a person's body.
Down syndrome — the most frequent genetic cause for mild to moderate mental retardation and related medical problems. It is caused by a chromosomal abnormality. For an unknown reason, a change in cell growth results in 47 instead of the usual 46 chromosomes. This extra chromosome changes the orderly development of the body and brain.
ductules — small milk ducts in the breast leading to the mammary or lactiferous ducts.