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Drugs and diseases reference index

Drugs and diseases reference index
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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «P»:

  1. Perforation of appendix Perforation of appendix
    Perforation of appendix: Rupture of appendix....
  2. Perforation, nasal septum Perforation, nasal septum
    Perforation, nasal septum: A hole in the nasal septum, the wall inside the nose that runs down the middle dividing it into two sides. The hole provides a direct communication between the two normally-separate sides of the nose. Perforation of the nasal septum can be due to trauma (such as a blow...
  3. Perfusion Perfusion
    Perfusion: A chemotherapy technique that may be used when melanoma occurs on an arm or leg. The flow of blood to and from the limb is stopped for a while with a tourniquet, and anticancer drugs are put directly into the blood of the limb. This allows the patient to receive a high dose of drugs in t...
  4. Peri- Peri-
    Peri-: Prefix meaning around or about. For example, pericardial is around the heart, and periaortic lymph nodes are lymph nodes around the aorta....
  5. Peri-appendiceal Peri-appendiceal
    Peri-appendiceal: See: Periappendiceal....
  6. Perianal Perianal
    Perianal: Located around the anus, the opening of the rectum to the outside of the body. Peri- is a prefix borrowed from the Greek. It means "around or about." So pericardial is around the heart. Perinatal is around birth. And periumbilical is around the umbilicus (the belly button). Peri- is a ...
  7. Perianal abscess Perianal abscess
    Perianal abscess: An abscess next to the anus that causes tenderness, swelling, and pain on defecation....
  8. Periaortic Periaortic
    Periaortic: Around the aorta. The aorta is the great artery that comes from the left ventricle of the heart and delivers oxygen-rich blood to the body. Peri- is a prefix borrowed from the Greek. It means "around or about." So perianal is around the anus. For example; pericardial is around the h...
  9. Periappendiceal Periappendiceal
    Periappendiceal: Near the appendix. Perforation of the appendix can lead to a periappendiceal abscess (a collection of pus near the appendix)....
  10. Pericardial Pericardial
    Pericardial: Referring to the pericardium, the sac of fibrous tissue that surrounds the heart. The inner surface of the pericardium is lined by a layer of flat cells (mesothelial cells). The pericardial sac normally contains a small amount of fluid which acts as a lubricant to allow normal heart ...
  11. Pericardial effusion Pericardial effusion
    Pericardial effusion: Too much fluid within the pericardium, the fibrous sac that surrounds the heart. The pericardium normally contains a small amount of pale yellow fluid which acts as a lubricant, allowing the heart to move within the chest....
  12. Pericardial sac Pericardial sac
    Pericardial sac: A conical sac of fibrous tissue which surrounds the heart and the roots of the great blood vessels. Also called the pericardium. The pericardium has outer and inner coats. The outer coat is tough and thickened, loosely cloaks the heart, and is attached to the central part of the d...
  13. Pericardial tamponade Pericardial tamponade
    Pericardial tamponade: A life-threatening situation in which there is such a large amount of fluid (usually blood) inside the pericardial sac around the heart that it interferes with the performance of the heart. The end result, if untreated, is low blood pressure, shock and death. The excess fl...
  14. Pericarditis Pericarditis
    Pericarditis: Inflammation of the lining around the heart (the pericardium) causing chest pain and accumulation of fluid around the heart (pericardial effusion). ...
  15. Pericardium Pericardium
    Pericardium: The conical sac of fibrous tissue that surrounds the heart and the roots of the great blood vessels. The pericardium's outer coat (the parietal pericardium) is tough and thickened, loosely cloaks the heart, and is attached to the central part of the diaphragm and the back of the bre...