Detrimental effect of visible light on meiosis of mammalian eggs in vitro

Wiley - Tập 206 Số 3 - Trang 365-369 - 1978
Y Hirao1, Ryuzo Yanagimachi1
1Department of Anatomy & Reproductive Biology, University of Hawaii School of Medicine, Honolulu, Hawaii 96822, U.S.A.

Tóm tắt

AbstractShort wavelength visible light (<470–480 nm) emmitted from ordinary light sources is detrimental to unfertilized hamster eggs in that prolonged exposure to the light disturbs the completion of normal meiosis after the eggs are penetrated by spermatozoa. The fluorescent light commonly used in modern laboratories is more harmful than the light from incandescent lamps. In experiments involving the handling of eggs in vitro, minimal exposure to the light or the use of appropriate filters (e.g., red cellophane sheets) is recommended.

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