Mindblown: a blog about philosophy.
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Blood transfer
The act of transmitting blood from one person to another. A concept significant in regard to AIDS with reference to the sharing of needles.
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Blood platelet
A small, colorless cell about the size of a red blood corpuscle. A small blood cell which releases thromboplastin and which multiplies rapidly after an injury, encouraging the coagulation of blood.
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Blood-placental barrier
The placenta excludes ransfer of water-soluble substances to the fetus. Most lipid-soluble drugs and many water-soluble drugs will transfer to the fetal blood and may result in damage to the fetus.
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Blood diseases
The inability of the blood to carry out its specialized functions may be the result of hereditary anomalies, infections, dysfunction of related organs, e.g., the spleen or the presence of toxic chemicals in the blood.
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Blood count
A count made with a microscope and special counting chamber of the number of red and white blood cells in a cubic millimeter of whole blood. Normally, there are approximately 5 million red blood cells/mm3 and 150,000-400,000 platelets/mm3. Test to count the number and types of different blood cells in a sample of blood, in…
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Blood clotting
The process whereby blood clots. The process by which blood changes from being liquid to being semi-solid and so stops flowing. Blood clotting occurs in response to injury. The formation of the clot is a cascade of reactions involving both intrinsic and extrinsic factors. A deficiency of vitamin K prolongs the blood clotting time. Blood…
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Blood analysis
A laboratory procedure directed at a chemical analysis of the various substances contained in a sample of blood helps to determine changes and possible chemical disturbances in the body.
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Blood alcohol level (BAL)
The concentration of alcohol in the blood at a given point in time, blood alcohol concentration.
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Blood alcohol concentration (BAC)
The ratio of alcohol present in the blood to the total volume of blood, expressed as a percent. The amount of alcohol in the blood at any time. A person with a blood alcohol concentration of 0.06- 0.9 generally is considered “impaired;” a person with a blood alcohol concentration of 1.0 or over generally is…
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Blocking of alpha rhythm
Alpha blocking.
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