Health A-Z

Macular Degeneration

Clinical Definition Macular degeneration, or age-related macular degeneration (AMD), is an ophthalmic disease that slowly destroys sharp central vision.  About 90 percent of patients have atrophic AMD, usually beginning when drusen appear in the macula. Others have neovascular or exudative AMD, triggered by abnormal blood vessel growth beneath the macula that can leak fluid and

Magnetic Resonance Imaging

Clinical Definition Magnetic resonance imaging is a scan that employs a powerful magnetic field, radio frequency pulses and a computer to create detailed pictures of bone, soft tissues, organs and other structures. Functional MRI or fMRI is newer, using the scan to measure tiny metabolic changes taking place in an active neurological area to help


Clinical Definition Malaria is a disease caused by parasitic protozoa, which are transmitted into the bloodstream by certain types of mosquitos. Once this type of parasite moves to the liver, it multiplies and infects red blood cells. The disease can be fatal if untreated, especially in children. In Our Own Words Malaria is a parasitic


Clinical Definition Abnormally growing cells can become cancerous, or malignant. Malignant cells may travel from their point of origin and can be fatal if left untreated. In Our Own Words Cancer generally describes a group of abnormal cells that tend to divide more rapidly than most healthy cells or lack the natural life cycle that

Manic Depressive Disorder

Clinical Definition Manic depression, known clinically as bipolar disorder, is a major mood disorder marked by episodes of depression, mixed episodes or mania. Symptoms vary but may include depressive symptoms as well as episodes with exaggerated assessment of self-importance, insomnia, pressured speech, impaired judgment, and engaging in risky activities. The disorder is managed with medication


Clinical Definition Mastitis, an inflammation of the breast, is most prevalent in lactating women but can affect others. The etiology is typically an infection and the condition is typically unilateral. Pain, edema and a burning sensation while breastfeeding are reported, as well as fatigue and chills. Treatments include antibiotics and over-the-counter pain medicine. In Our

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