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  2. Sexual differentiation in humans - Wikipedia

    en.wikipedia.org/wiki/Sexual_differentiation_in...

    Male development can only occur when the fetal testis secretes key hormones at a critical period in early gestation. The testes begin to secrete three hormones that influence the male internal and external genitalia: they secrete anti-Müllerian hormone (AMH), testosterone, and dihydrotestosterone (DHT). Anti-Müllerian hormone causes the ...

  3. Sex differences in human physiology - Wikipedia

    en.wikipedia.org/wiki/Sex_differences_in_human...

    The studies often show different results about the body strength difference between the both sexes. Two studies, conducted in the four European Union countries, involving 2,000 participants (1,000 men and 1 000 women) concluded that females are 74 - 92% as strong as males, as many women (211 of 1,000) are still physically stronger than average men.

  4. File:Sexual intercourse in the woman on top position.webm

    en.wikipedia.org/wiki/File:Sexual_intercourse_in...

    Original file (WebM audio/video file, VP8/Vorbis, length 1 min 33 s, 605 × 1,080 pixels, 2.16 Mbps overall, file size: 23.83 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

  5. Effects of hormones on sexual motivation - Wikipedia

    en.wikipedia.org/wiki/Effects_of_hormones_on...

    Men involved in polyamorous relationships display higher levels of testosterone than men involved in either a single partner relationship or single men. [6] Polyamorous women have both higher levels of testosterone and score higher on measures of sexual desire than women who are single or women who are in single-partner relationships. [6]

  6. Hypothalamic–pituitary–gonadal axis - Wikipedia

    en.wikipedia.org/wiki/Hypothalamic–pituitary...

    HPG regulation in males, with the inhibin/activin system playing a similar role on GnRH-producing cells. The hypothalamus is located in the brain and secretes GnRH. [1] GnRH travels down the anterior portion of the pituitary via the hypophyseal portal system and binds to receptors on the secretory cells of the adenohypophysis. [2]

  7. Testosterone - Wikipedia

    en.wikipedia.org/wiki/Testosterone

    Testosterone is the primary male sex hormone and androgen in males. [3] In humans, testosterone plays a key role in the development of male reproductive tissues such as testicles and prostate, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of body hair.

  8. List of human hormones - Wikipedia

    en.wikipedia.org/wiki/List_of_human_hormones

    5-DHT or DHT is a male reproductive hormone that targets the prostate gland, bulbourethral gland, seminal vesicles, penis and scrotum and promotes growth/mitosis/cell maturation and differentiation. Testosterone is converted to 5-DHT by 5alpha-reductase, usually with in the target tissues of 5-DHT because of the need for high concentrations of ...

  9. Sex hormone - Wikipedia

    en.wikipedia.org/wiki/Sex_hormone

    In general, androgens are considered "male sex hormones", since they have masculinizing effects, while estrogens and progestogens are considered "female sex hormones" although all types are present in each sex at different levels. [6] Sex hormones include: Progestogens. Pregnenolone → Progesterone → Allopregnanedione → Allopregnanolone