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  • Salabrasion

    A technique in which salt or a salt solution is used to abrade the skin, for example to remove the pigment from a tattoo or permanent makeup.

  • Chronic pancreatitis

    A form of pancreatitis in which there is persistent inflammation of the pancreas. Chronic pancreatitis causes attacks of abdominal pain, nausea and vomiting that are worsened by eating or drinking, especially alcohol. The chronic inflammation can cause progressive fibrosis and destruction of the pancreas resulting in a lack of pancreatic enzymes and insulin. Deficiency of […]

  • Pons

    A specific section of the brain formed by the rounded prominence on the front surface of the brainstem. (The brainstem is the lowest part of the brain that merges with the spinal cord; it consists of a structure called the medulla oblongata, the midbrain and the pons.) Cranial nerves V, VI, VII and VIII take […]

  • Amyloidosis, primary

    A disorder of plasma cells (special white blood cells that produce antibodies), this is one of a group of diseases (called amyloidosis) in which protein deposits (amyloid) accumulate in one or more organ systems in the body. Primary amyloidosis is the most common type of amyloidosis in many countries including the U.S. The protein deposits […]

  • Neutropenia

    Neutrophils have “neutral” subtle granules; Eosinophils have prominent granules that stain readily with the acid dye eosin; and Basophils have prominent granules that stain readily basic (nonacidic) dyes. This classification dates back to a time when certain structures could be identified in cells by histochemistry, but the functions of these intracellular structures were still not […]

  • Clay-shoveler’s fracture

    Clay-shoveler’s fracture: An uncommon breakage of the spine of the vertebrae from the lower neck or upper back as a result of stress. Clay-shoveler’s fracture usually occurs in laborers who perform activities involving lifting weights rapidly with the arms extended. Examples of these activities include shoveling soil, rubble or snow up and over the head […]

  • Rheumatoid nodules

    Rheumatoid nodules are firm lumps in the skin of patients with rheumatoid arthritis that usually occur in pressure points of the body, most commonly the elbows

  • Test, rapid plasma reagin

    A screening blood test for syphilis. Rapid plasma reagin is commonly abbreviated RPR. A negative (“nonreactive”) RPR test result is compatible with a person not having syphilis. However, a person may have a negative RPR test and still have syphilis since, in the early stages of the disease, the RPR often gives negative results. This […]

  • Medical geography

    An important “new” area of health research that is a hybrid between geography and medicine dealing with the geographic aspects of health and healthcare. Medical geography studies the effects of locale and climate upon health. It aims to improve the understanding of the various factors which affect the health of populations and hence individuals. It […]

  • Pediatric kidney infection

    Urinary tract infection in children.