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This is an accepted version of this page This is the latest accepted revision, reviewed on 21 January 2025. Atypical congenital variations of sex characteristics This article is about intersex in humans. For intersex in other animals, see Intersex (biology). Not to be confused with Hermaphrodite. Intersex topics Human rights and legal issues Compulsory sterilization Discrimination Human rights ...
This list of related male and female reproductive organs shows how the male and female reproductive organs and the development of the reproductive system are related, sharing a common developmental path. This makes them biological homologues. These organs differentiate into the respective sex organs in males and females.
If a banana slug has lost its male sexual organ, it can still mate as a female, making hermaphroditism a valuable adaptation. [22] The species of colourful sea slugs Goniobranchus reticulatus is hermaphroditic, with both male and female organs active at the same time during copulation. After mating, the external portion of the penis detaches ...
In plants, individual flowers are called dichogamous if their function has the two sexes separated in time, although the plant as a whole may have functionally male and functionally female flowers open at any one moment. A flower is protogynous if its function is first female, then male, and protandrous if its function is first male then female.
Intersex people are born with natural variations in physical and sex characteristics including those of the chromosomes, gonads, sex hormones, or genitals that, according to the UN Office of the High Commissioner for Human Rights, "do not fit the typical definitions for male or female bodies".
In invertebrates and plants, hermaphrodites (which have both male and female reproductive organs either at the same time or during their life cycle) are common, and in many cases, the norm. In other varieties of multicellular life (e.g. the fungi division, Basidiomycota ), sexual characteristics can be much more complex, and may involve many ...
In the Tantric sect of Hinduism, there is a belief that all individuals possess both male and female components. This belief can be seen explicitly in the Tantric concept of a Supreme Being with both male and female sex organs, which constitutes "one complete sex" and the ideal physical form. [11] [page needed]
The male reproductive system contains two main divisions: the testicles where sperm are produced, and the penis where semen is ejaculated through the urethra. In humans, both of these organs are outside the abdominal cavity. Having the testicles outside the abdomen facilitates temperature regulation of the sperm, which require specific ...