Sexual differentiation in humans Sexual differentiation in humans Sexual differentiation in humans is the process of development of sex differences in humans. It is defined as the development of phenotypic structures consequent to the action of hormones produced following gonadal determination. Sexual differentiation includes development of different genitalia and the internal genital tracts, breasts, body hair, and plays a role in gender identification. The development of sexual differences begins with the XY sex-determination system that is present in humans, and complex mechanisms are responsible for the development of the phenotypic differences between male and female humans from an undifferentiated zygote. Females have two X
What Is Theosophy? a "vulgar pseudoscientific mythology." What Is Theosophy? "What Is Theosophy?" is an editorial published in October 1879 in the Theosophical magazine "The Theosophist." It was compiled by Helena Blavatsky and included into the 2nd volume of the "Blavatsky Collected Writings." According to a doctoral thesis by Tim Rudbøg, in this "important" article Blavatsky "began conceptualizing her idea of 'Theosophy'." Blavatsky writes that, "according to lexicographers, the term "theosophia" is composed of two Greek words—"theos" "god," and "sophos" "wise." She then writes that Noah Webster defines it as "a supposed intercourse with God and superior spirits, and consequent attainment of superhuman