THE EFFECT OF TESTOSTERONE ON THE MELANOCYTES AND MELANIN IN THE SKIN OF THE INTACT AND ORCHIDECTOMISED MALE GUINEA-PIG

[摘要] In a study of guinea pigs it was found that melanogenesls was reduced in the anterior abdominal wall skin of orchidectomised animals. Testeosterone stimulated melanogenesis in the skin of the sole of the foot in normal and orchidectomised animals.