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[fahy-bruh-ley-shuh n, or especially for 2, fib-ruh-] /ˌfaɪ brəˈleɪ ʃən, or especially for 2, ˌfɪb rə-/

the formation of .
Pathology. uncontrolled twitching or quivering of muscular .
/ˌfaɪbrɪˈleɪʃən; ˌfɪb-/
a local and uncontrollable twitching of muscle fibres, esp of the heart, not affecting the entire muscle. Atrial fibrillation results in rapid and irregular heart and pulse rate. In ventricular fibrillation, the heart stops beating
irregular twitchings of the muscular wall of the heart, often interfering with the normal rhythmic contractions

c.1840, noun of action from fibrillate.

fibrillation fib·ril·la·tion (fĭb’rə-lā’shən, fī’brə-)

A rapid twitching of muscle fibers, as of the heart, that is caused by the abnormal discharge of electrical nerve impulses. Ventricular fibrillation is life-threatening.


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    [fahy-bril-uh-fawrm, fi-] /faɪˈbrɪl əˌfɔrm, fɪ-/ adjective 1. of the form of a fibril.

  • Fibrillogenesis

    fibrillogenesis fi·bril·lo·gen·e·sis (fī’brə-lō-jěn’ĭ-sĭs, fĭb’rə-, fī-brĭl’ō-) n. The development of fine fibrils normally present in collagen fibers of connective tissue.

  • Fibrin

    [fahy-brin] /ˈfaɪ brɪn/ noun 1. the insoluble protein end product of blood coagulation, formed from fibrinogen by the action of thrombin in the presence of calcium ions. 2. Botany. a fibrinlike substance found in some plants; gluten. /ˈfɪbrɪn/ noun 1. a white insoluble elastic protein formed from fibrinogen when blood clots: forms a network that […]

  • Fibrinase

    fibrinase fi·brin·ase (fī’brə-nās’, -nāz’) n.

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