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fibrillation noun

  /ˌfɪbɹɪˈleɪʃən/
  • The rapid, irregular, and unsynchronized contraction of the muscle fibers of the heart.
μαρμαρυγή

fibril noun

  /ˈfaɪbɹ(ə)l/
  • (biology) Any fine, filamentous structure in animals or plants.
ινίδιο
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