Embryonic Development of Frogs Under ELF Magnetic or Electric Fields

S. Ueno, T. Kitahara, K. Harada, K. Shiokawa

Research output: Contribution to journalArticlepeer-review


The effect of extremely low frequency (ELF) magnetic and electric fields on the initial embryonic development of frogs was studied. The embryos were destroyed by a 20 Hz ac current applied directly to the embryos for eight hours in the cleavage-blastula stage as the current density exceeded 100 μA/mm2. When applied to the embryos in the cleavage-blastra stage, embryo development was disturbed when mRNA synthesis began, and subsequently embryo development was generally abnormal. Thus, electromagnetic fields exert a powerful influence on embryo development in the latter half of the cleavage stage.

Original languageEnglish
Pages (from-to)859-860
Number of pages2
JournalIEEE Translation Journal on Magnetics in Japan
Issue number9
Publication statusPublished - Sept 1987

All Science Journal Classification (ASJC) codes

  • Engineering (miscellaneous)
  • Engineering(all)


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