Abstract
Summary
It has been found that a single intracutaneous injection of vit. A in the rabbit causes an increase in thickness of the epidermis (excluding corneum) which is due to an increase in both number and size of the cells in the germinative and granular layers. The corneum becomes thinner and denser. The occurrence of large, young appearing nuclei in the absence of an increase in mitotic rate indicates that the maturation process is slowed.
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