PhD in Sexology and Psychosexual Counseling. For More Info WhatsApp-9604715783. Male: During the first two months of embryonic development, there is no much difference between the male and female sexual structure. The embryonic phallus becomes penis of the male or the clitoris of the female. The adult structures are richly supplied with nerves which terminate in end organs of touch called Meissner's Corpuscles. Corona (the lower edge) of the glans is the area that is most sensitive to tactile stimulation.