STUDIES ON X-RAY EFFECTS : XV. THE PREVENTION OF PIGMENT FORMATION IN THE HAIR FOLLICLES OF COLORED MICE WITH HIGH VOLTAGE X-RAY.
1. Hard x-rays prevent the formation of pigment in the hair follicles of mice, with result that hair previously black comes in white. 2. Exposure of the ventral side of a mouse to the x-rays causes the hair on the back to come in white about 40 to 50 days after it has whitened the hairs on the abdomen.
Laboratories of The Rockefeller Institute for Medical Research.
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Hance
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Murphy