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[Effect of permanent magnetic fields on the regeneration of the tail in amphibian larvae].

Vertically directed permanent magnetic fields stimulate tail regeneration in larvae of three anuran species. This effect depends on correlation between the beginning of exposure and the time of injury, magnetic field intensity, species, age and individual features. The permanent magnetic field (133-193 kA/m) enhances differentiation of collagen-containing structures of the tail regenerate.