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coagulation
coagulation
A Dictionary of Food and Nutrition
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2005
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© A Dictionary of Food and Nutrition 2005, originally published by Oxford University Press 2005. (Hide copyright information)
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coagulation A process involving the
denaturation of proteins, the loss of their native, soluble structure, so that they become insoluble; it may be effected by heat, strong acids and alkalis, metals, and other chemicals. Some proteins are coagulated by specific enzymic action; the action of
chymosin in cheese making is to coagulate the proteins of milk.
The final stage in blood clotting is the precipitation of insoluble fibrin, formed from the soluble plasma protein fibrinogen. The enzyme responsible is prothrombin, which is normally inactive, but in response to injury is activated by a cascade of events.
Vitamin K is required for the synthesis of prothrombin, and clotting requires calcium ions. See also
blood plasma.
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Coagulation Disorders
Encyclopedia entry from: Gale Encyclopedia of Children's Health: Infancy through Adolescence
Coagulation disorders Definition Coagulation disorders (coagulopathies) are disruptions in the body...designed to prevent blood loss. The most commonly known coagulation disorder is hemophilia , a condition in which a critical...
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Disseminated Intravascular Coagulation (DIC)
Encyclopedia entry from: Gale Encyclopedia of Cancer
Disseminated intravascular coagulation (DIC) Description This condition...both. Disseminated intravascular coagulation (DIC) occurs mainly within the...that activate, in some way, the coagulation system. Causes Disseminated intravascular...
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coagulation
Book article from: The Columbia Encyclopedia, Sixth Edition
coagulation , the collecting into a mass of minute particles of a solid dispersed...coagulated by heating. The clotting of blood is another example of coagulation. Coagulation usually involves a chemical reaction. Lyophobic particles (see...
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blood coagulation
Book article from: A Dictionary of Nursing
blood coagulation ( blood clotting ) n. the process...interaction of a variety of substances (see coagulation factors ) and leads to the production...the insoluble protein fibrin. Blood coagulation is an essential mechanism for the arrest...
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coagulation factors
Book article from: A Dictionary of Nursing
coagulation factors ( clotting factors ) pl. n. a group of...blood from a liquid to a solid state (see blood coagulation ). Although they have specific names, most coagulation factors are referred to by an agreed set of Roman...
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