The measurement of cellular DNA content by DNA microfluorometry revealed that medaka embryos that were fertilized with normal sperm and exposed to heat shock (41Β°C for 3 min) or hydrostatic pressure (700 kg/cm2 for 10 min) at 85-95 min after insemination were tetraploid. Embryos fertilized with norm
Immunocytochemical demonstration of steroid hormones in the granulosa cells of the medaka,Oryzias latipes
β Scribed by Onitake, Kazuo ;Iwamatsu, Takashi
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- English
- Weight
- 576 KB
- Volume
- 239
- Category
- Article
- ISSN
- 0022-104X
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## Abstract To examine the biological significance of thyroid hormones contained in eggs, the hormones were depleted from eggs by treating the mother fish with thiourea. Constantly spawning medaka (__Oryzias latipes__) were reared in fresh water containing 0.03% thiourea. The plasma thyroxine (T4)
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