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HISTOCHEMICAL CHANGES OF NUCLEIC ACIDS IN THE FOLLICULAR STROMA OF THE RABBIT'S OVARY BEFORE AND DURING OVULATION

Summary.: The densely packed cells of the theca externa of the oestrus follicle of the rabbit contain cytoplasmic RNA which stains well with methyl green-pyronine and their nuclei give a strongly positive reaction with Feulgen's method. During the period of preovulatory swelling, DNA and RNA are much reduced in these cells and disappear almost completely from the cells in the area of stigma.