Effects of the magnetic field on different forms of embryonic locomotor activity of Northern pike, Esox lucius L.
Winnicki, A.E-mail:[email protected] | Korzelecka-Orkisz, A. | Sobocinski, A. | Tanski, A. | Formicki, K.(Akademia Rolnicza, Szczecin (Poland). Zaklad Anatomii i Embriologii)
Eggs of pike (Esox lucius L.) after period of adaptation (control) were subjected to 30 min action of the magnetic field (constant 4 mT and aletrnating 15 mT). The inflicted changes in the embryonic motories were observed under a microscope and recorded on videotape. The following aspects of the embryogenesis were affected: quasi-peristalsis, heart muscle action, somatic motorics. Three different mechanisms of the magnetic field are taken into consideration: directly on actomyosin structures in the quasi-peristalsis, on automatic centres of the developing heart, on developing structures of the central nervous system.
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