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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 - «B»:

  1. Blocker, beta adrenergic Blocker, beta adrenergic
    Blocker, beta adrenergic: A class of drugs, also more simply called beta blockers, that block beta-adrenergic substances such as adrenaline (epinephrine), a key agent in the "sympathetic" portion of the autonomic (involuntary) nervous system. By blocking the action of the sympathetic nervous s...
  2. Blockers, beta Blockers, beta
    Blockers, beta: A class of drugs that block beta-adrenergic substances such as adrenaline (epinephrine), a key agent in the "sympathetic" portion of the autonomic (involuntary) nervous system. By blocking the action of the sympathetic nervous system on the heart, beta blockers relieve stress o...
  3. Blood Blood
    Blood: The familiar red fluid in the body that contains white and red blood cells, platelets, proteins, and other elements. The blood is transported throughout the body by the circulatory system. Blood functions in two directions: arterial and venous. Arterial blood is the means by which oxygen and ...
  4. Blood bank Blood bank
    Blood bank: A place where blood is collected from donors, typed, separated into components, stored, and prepared for transfusion to recipients. A blood bank may be a separate free-standing facility or part of a larger laboratory in a hospital. Separation of blood: Typically, each donated unit of blo...
  5. Blood blister Blood blister
    Blood blister: a blister full of blood due to a pinch, bruise or repeated friction. A blister is medically termed a vesicle. One that is more than 5 mm in diameter with thin walls and is full of watery fluid is called a bulla or a bleb. The word "blister" entered English in the 14th century. It came...
  6. Blood cleaner Blood cleaner
    Blood cleaner: A process designed to eliminate most pathogens -- viruses, bacteria and fungi -- from donated blood. The process is termed "pathogen inactivation." It depends upon the fact that three components of blood that are given in transfusions -- red blood cells to carry oxygen, platelets to ...
  7. Blood clot Blood clot
    Blood clot: Blood that has been converted from a liquid to a solid state. Also called a thrombus. The process by which a blood clot forms is termed coagulation. A blood clot, or thrombus, is stationary within a vessel or the heart. If it moves from that location through the bloodstream, it is refer...
  8. Blood clots Blood clots
    Blood clots: Blood that has been converted from a liquid to a solid state. Also called a thrombus. The process by which a blood clot forms is termed coagulation. A blood clot, or thrombus, is stationary within a vessel or the heart. If it moves from that location through the bloodstream, it is refe...
  9. Blood clots, estrogen-associated Blood clots, estrogen-associated
    Blood clots, estrogen-associated: Blood clots are occasional but serious side effects of estrogen therapy. They are dose-related, that is, they occur more frequently with higher doses of estrogen. Estrogen therapy preparations (all of which carry this risk) include: esterified estrogens esterified e...
  10. Blood count Blood count
    Blood count: The calculated number of white or red blood cells (WBCs or RBCs) in a cubic millimeter of blood....
  11. Blood culture Blood culture
    Blood culture: A test designed to detect if microorganisms such as bacteria and fungi are present in blood. A sample of blood obtained using sterile technique is placed in a culture media and incubated in a controlled environment for 1 to 7 days. If microorganisms grow, they can be identified as ...
  12. Blood draw Blood draw
    Blood draw: Removal of blood, usually by venipuncture (phlebotomy, venous blood sampling). Blood draw is a popular term that is coming into common usage both as an adjective and noun. Stanford University Medical Center has a number of blood draw sites. This morning I had a blood draw....
  13. Blood dyscrasia Blood dyscrasia
    Blood dyscrasia: Blood disease....
  14. Blood glucose Blood glucose
    Blood glucose: The main sugar that the body makes from the food in the diet. Glucose is carried through the bloodstream to provide energy to all cells in the body. Cells cannot use glucose without the help of insulin. Glucose is a simple sugar (a monosaccharide). The body produces it from protein, f...
  15. Blood group Blood group
    Blood group: An inherited feature on the surface of the red blood cells. A series of related blood types constitute a blood group system such as the Rh or the ABO system. The frequencies of the ABO and Rh blood types vary from population to population. In the US, the most common type is O+ (meanin...