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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. Secondary pulmonary arterial hypertension Secondary pulmonary arterial hypertension
    Secondary pulmonary arterial hypertension: See: Pulmonary hypertension....
  2. Secondhand smoke Secondhand smoke
    Secondhand smoke: Also known as environmental tobacco smoke (ETS). See: ETS....
  3. Secretary's knee Secretary's knee
    Secretary's knee: The patellofemoral syndrome (PFS), the commonest cause of chronic knee pain. PFS characteristically causes vague discomfort of the inner knee area, aggravated by activity (running, jumping, climbing or descending stairs) or by prolonged sitting with knees in a moderately bent p...
  4. Secretase, beta- Secretase, beta-
    Secretase, beta-: An enzyme that appears to be directly involved in the early development of Alzheimer's disease. Beta-secretase is a protease (an enzyme that catalyses the splitting of interior peptide bonds in a protein). Beta-secretase acts by trimming off a protein protruding from a brain cell. ...
  5. Secretin Secretin
    Secretin: A hormone made by glands in the small intestine that acts to stimulate pancreatic secretions. Commercially available secretin is either porcine (pigs) secretin or a synthesized form of human secretin. Secretin is of special historic interest because the word "hormone" was coined in 1902 b...
  6. Section Section
    Section: 1) In anatomy, a slice of tissue. A biopsy obtained by surgery is usually sectioned (sliced), and these sections are inspected under a microscope. 2) In obstetrics, short for Caesarian section. 3) In surgery, the division of tissue during an operation....
  7. Section, Caesarian Section, Caesarian
    Section, Caesarian: Also referred to as a C-section. A procedure in which a baby, rather than being born vaginally, is surgically extracted (removed) from the uterus. As the name "Caesarian" suggests, this is not exactly a new procedure. It was done in ancient civilizations upon the death of a preg...
  8. Section, Cesarian Section, Cesarian
    Section, Cesarian: The obstetrical procedure is often spelled this way in the U.S. with just an "e"although the Roman emperor remains Caesar in America with an "ae". Also referred to as a C-section. No matter what, it is a procedure in which a baby, rather than being born vaginally, is surgically ...
  9. Section, cross Section, cross
    Section, cross: A transverse cut through a structure. The opposite is a longitudinal section....
  10. Section, longitudinal Section, longitudinal
    Section, longitudinal: A cut along the long axis of a structure....
  11. Section, lower segment Cesarian (LSCS) Section, lower segment Cesarian (LSCS)
    Section, lower segment Cesarian (LSCS): A Cesarian section in which the surgical incision (cut) is made in the lower segment of the uterus....
  12. Sedative Sedative
    Sedative: A drug that calms a patient down, easing agitation and permitting sleep. Sedatives generally work by modulating signals within the central nervous system. These sedatives can dangerously depress important signals needed to maintain heart and lung function if they are misused or acciden...
  13. Sedimentation rate Sedimentation rate
    Sedimentation rate: A blood test that detects and monitors inflammation in the body. It measures the rate at which red blood cells (RBCs) in a test tube separate from blood serum over time, becoming sediment in the bottom of the test tube. The sedimentation rate increases with more inflammation....
  14. Seed implantation Seed implantation
    Seed implantation: Radiation treatment given by placing radioactive material contained within a small cylindrical shell directly in or near the target, often a tumor....
  15. Seedrin Seedrin
    Seedrin: Trade name of the insecticide aldrin. See: Aldrin and dieldrin....