Apoptosis
Apoptosis: A form of cell death in which a programmed sequence of events leads to the elimination of cells without releasing harmful substances into the surrounding area. Apoptosis plays a crucial role in developing and maintaining the health of the body by eliminating old cells, unnecessary cells, and unhealthy cells. The human body replaces perhaps one million cells per second. Too little or too much apoptosis can play a role in many diseases. When apoptosis does not work correctly, cells that should be eliminated may persist and become immortal,
for example, in cancer and leukemia. When apoptosis works overly well, it kills too many cells and inflicts grave tissue damage. This is the case in strokes and neurodegenerative disorders such as Alzheimer’s, Huntington’s, and Parkinson’s diseases. Also known as programmed cell death and cell
suicide.
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Removal by surgery of the appendix, the small worm-like appendage of the colon (the large bowel). An appendectomy is performed because of probable appendicitis, inflammation of the wall of the appendix generally associated with infection. Appendicitis usually is suspected because of the medical history and physical examination. The pain of developing appendicitis is at first […]
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Appendiceal: Relating to the appendix. As, for example, an appendiceal abscess. Perforation of the appendix can lead to a periappendiceal abscess or diffuse peritonitis (infection of the entire lining of the abdomen and the pelvis).
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Inflammation of the appendix, usually associated with infection of the appendix. Appendicitis often causes fever, loss of appetite, and pain. Appendicitis may be suspected because of the medical history and physical examination. The pain of appendicitis can be located in various areas of the belly. If the appendix ruptures and infection spreads throughout the abdomen, […]
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Appendix: A small outpouching from the beginning of the large intestine.
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