The Presence of Spontaneous and Induced Filaments in the Melanophores of Three Species of Teleosts

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  • JUNQUEIRA L. C. U.
    Department of Histology, Instituto de Ciências Biomédicas, University of São Paulo
  • REINACH F.
    Department of Histology, Instituto de Ciências Biomédicas, University of São Paulo
  • SALLES L. M. M.
    Department of Histology, Instituto de Ciências Biomédicas, University of São Paulo

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  • 三種の硬骨魚のメラニン細胞におけるフィラメントの自然および実験的出現
  • presence of Spontaneous and Induced Fil

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Abstract

Electron microscope study of the melanophores in three species of teleosts shows the presence of 11nm filaments in their cytoplasm. Three sympathomimetic substances (adrenalin, 6-hydroxydopamine and 5-hydroxydopamine) act in vivo and in vitro to induce a considerable increase in the number of these filaments, mainly in the cell branches.

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