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tissue plasminogen activator

noun, Biochemistry
1.
an anticlotting enzyme, naturally occurring in small amounts in the blood.
2.
Pharmacology. the same enzyme, produced in large amounts by genetic engineering techniques for use in dissolving blood clots.
Abbreviation: TPA.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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tissue plasminogen activator in Medicine

tissue plasminogen activator n.
An enzyme that catalyzes the conversion of plasminogen to plasmin, used to dissolve blood clots rapidly and selectively, especially in the treatment of heart attacks.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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tissue plasminogen activator in Science
tissue plasminogen activator  
An enzyme that dissolves blood clots. It can be produced naturally by cells in the walls of blood vessels, or prepared through the use of genetic engineering. Tissue plasminogen activator is used in the coronary arteries during heart attacks and in the cranial arteries in certain types of strokes.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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