Hirschfeld distinguished between gynephilic, bisexual, androphilic, asexual, and narcissistic or automonosexual gender-variant persons. Since then, some psychologists have proposed using homosexual tr ...
The word appeared in ancient Greek. In Idyll 8, line 60, Theocritus uses γυναικοφ?λια? as a euphemistic adjective to describe Zeus' lust for women.Sigmund Freud used the term gynecophilic ...
In a discussion of homosexuality, sexologist Magnus Hirschfeld divided men into four groups: pedophiles, who are most attracted to prepubescent youth, ephebophiles, who are most attracted to youths fr ...
The terms gender variance and gender variant are used by scholars of psychology and psychiatry, anthropology, and gender studies, as well as advocacy groups of gender variant people themselves. The te ...
The English word breast derives from the Old English word brēost (breast, bosom) from Proto-Germanic breustam (breast), from the Proto-Indo-European base bhreus– (to swell, to sprout). The breast sp ...
Main article: Human hair growthHair follicles are to varying degrees sensitive to androgen, primarily testosterone and its derivatives, with different areas on the body having different sensitivity. A ...
Further information: Mammalian reproductive system and Human reproductive systemThe visible portion of the mammalian genitals for males consists of the scrotum and penis; for females, it consists of t ...
In the first step in the steroidogenic pathway, cholesterol is converted into pregnenolone (P5), which serves as the precursor to the progestogens progesterone and 17-hydroxyprogesterone. These proges ...
Antiandrogens are classified as steroidal or nonsteroidal. Steroidal antiandrogens not only counter androgens, but also affect secondary sex characteristics. Steroidal antiandrogens directly affect ge ...
Estriol is only produced in significant amounts during pregnancy as it is made by the placenta from 16-hydroxydehydroepiandrosterone sulfate (16-OH DHEAS), an androgen steroid made in the fetal liver ...
John Dalton's original atomic hypothesis assumed that all elements were monatomic and that the atoms in compounds would normally have the simplest atomic ratios with respect to one another. For exampl ...
At standard temperature and pressure, oxygen is a colorless, odorless gas with the molecular formula O2.In this dioxygen, the two oxygen atoms are chemically bonded to each other. The bond can be vari ...
In the female, estradiol acts as a growth hormone for tissue of the reproductive organs, supporting the lining of the vagina, the cervical glands, the endometrium, and the lining of the fallopian tube ...
Estrogens, in females, are produced primarily by the ovaries, and during pregnancy, the placenta. Follicle-stimulating hormone (FSH) stimulates the ovarian production of estrogens by the granulosa cel ...
In men, approximately 5% of testosterone undergoes 5α-reduction to form the more potent androgen, dihydrotestosterone (DHT). DHT has two to three times greater androgen receptor affinity than testost ...
