fibrillation

Noun
  1. Muscular twitching involving individual muscle fibers acting without coordination (synset 114385584)
    is a type of: twitch, twitching, vellication - a sudden muscle spasm; especially one caused by a nervous condition
    subtypes:
    • atrial fibrillation - fibrillation of the muscles of the atria of the heart
    • ventricular fibrillation - fibrillation of heart muscles resulting in interference with rhythmic contractions of the ventricles and possibly leading to cardiac arrest
  2. Act or process of forming fibrils (synset 100389851)
    is a type of: branching, fork, forking, ramification - the act of branching out or dividing into branches

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