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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 - «S»:

  1. Steatohepatitis Steatohepatitis
    Steatohepatitis: Fatty inflammation of the liver, usually in alcoholics. Steato- refers to fat and -hepatitis to inflammation of the liver....
  2. Steele-Richardson-Olszewksi syndrome Steele-Richardson-Olszewksi syndrome
    Steele-Richardson-Olszewksi syndrome: Eponym for progressive supranuclear palsy, a neurologic disorder of unknown origin that gradually destroys cells in many areas of the brain, leading to serious and permanent problems with the control of gait and balance. The most obvious sign of the disease is a...
  3. Stein-Leventhal syndrome Stein-Leventhal syndrome
    Stein-Leventhal syndrome: A hormonal problem that causes women to have various symptoms, including irregular or no menstruation, acne, obesity, and excess hair growth. Women with PCO do not ovulate (release an egg for fertilization) every month. They are at a higher risk for high blood pressure,...
  4. Stem cell Stem cell
    Stem cell: One of the human body's master cells, with the ability to grow into any one of the body's more than 200 cell types. All stem cells are unspecialized (undifferentiated) cells that are characteristically of the same family type (lineage). They retain the ability to divide throughout life...
  5. Stem cell harvest Stem cell harvest
    Stem cell harvest: The taking of stem cells for use in cancer or other treatment. Usually these cells are taken from the patient's own bone marrow. The procedure usually involves use of a general anesthetic and an overnight hospital stay. Small cuts are made over the hipbones to allow entrance...
  6. Stem cell harvest, peripheral blood Stem cell harvest, peripheral blood
    Stem cell harvest, peripheral blood: A technique for obtaining stem cells from the patient's blood for use in bone marrow transplantation. They are lured out of the bone marrow by a special regimen of drugs. The blood is then filtered through a machine, and the stem cells are skimmed off. They...
  7. Stem cell transplantation Stem cell transplantation
    Stem cell transplantation: The use of stem cells as a treatment for cancer or other diseases: The stem cells are removed (or obtained) from a donor. Before a transplant is done for cancer, the patient receives high-dose chemotherapy and/or radiation to destroy the malignant cells. The stem cell...
  8. Stem cell, sperm Stem cell, sperm
    Stem cell, sperm: See: Sperm stem cell....
  9. Stem cell, spermatogonial Stem cell, spermatogonial
    Stem cell, spermatogonial: See: Sperm stem cell....
  10. Stem cells Stem cells
    Stem cells: One of the human body's master cells, with the ability to grow into any one of the body's more than 200 cell types. All stem cells are unspecialized (undifferentiated) cells that are characteristically of the same family type (lineage). They retain the ability to divide throughout lif...
  11. Stenosis Stenosis
    Stenosis: A narrowing, as in: aortic stenosis (narrowing of the aortic valve of the heart), pulmonary stenosis (narrowing of the pulmonary valve of the heart), pyloric stenosis (narrowing of the outlet of the stomach), and spinal stenosis (narrowing of the vertebral canal). From the Greek "ste...
  12. Stenosis, aortic Stenosis, aortic
    Stenosis, aortic: Narrowing (stenosis) of the heart valve between the left ventricle of the heart and the aorta. This narrowing impedes the delivery of blood through the aorta to the body and makes it tough for the heart to carry out this Herculean task. A normal aortic valve has three leaf...
  13. Stenosis, carotid Stenosis, carotid
    Stenosis, carotid: See: Carotid stenosis....
  14. Stenosis, carotid-artery Stenosis, carotid-artery
    Stenosis, carotid-artery: See: Carotid stenosis....
  15. Stenosis, pulmonary Stenosis, pulmonary
    Stenosis, pulmonary: The pulmonary valve is too tight so that the flow of blood from the right ventricle of the heart into the pulmonary artery is impeded. This means the right ventricle must pump harder than normal to overcome the obstruction. If the stenosis is severe, babies may become b...