Ultrastructure of impuberal vaginas cultivated under various hormonal conditions]

Differentiation of rat vaginal epithelium has been studied in organotypic culture in vitro under different hormonal conditions evolution in association with ovary or testis, and after injection to rats of progesterone 5 mg. and estradiol 0.1 lambda). Whatever the hormonal preconditioning before the vaginal culture the same, complet cornification occurs.