polyp

A polyp is an abnormal growth of tissue that develops on the inner lining of a hollow organ. Polyps can occur in various parts of the body, including the colon, stomach, nasal cavity, uterus, bladder, and vocal cords. Types of Polyps Neoplastic (Adenomatous) Polyps – Have the potential to become cancerous (especially in the colon).Non-neoplastic…

polymyositis

polymyositis An autoimmune inflammatory disease of muscle that begins when white blood cells spontaneously invade muscles, especially those closest to the trunk or torso. This immune activity results in muscle pain, tenderness, and weakness. Blood testing in a person with polymyositis shows significantly elevated creatinine phosphokinase levels. The diagnosis is further suggested by electromyogram testing…

polygenic disease

polygenic disease A genetic disorder that is caused by the combined action of more than one gene. Examples of polygenic conditions include hypertension, coronary heart disease, and diabetes. Because such disorders depend on the simultaneous presence of several genes, they are not inherited as simply as are single-gene diseases.