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Earthworms are simultaneous hermaphrodites, having both male and female reproductive organs. Simultaneous hermaphrodites (or homogamous hermaphrodites) are individuals in which both male and female sexual organs are present and functional at the same time. [15] Self-fertilization often occurs. [9]
This is an accepted version of this page This is the latest accepted revision, reviewed on 24 February 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 ...
The term intersexuality was coined by Richard Goldschmidt in the 1917 paper Intersexuality and the endocrine aspect of sex. [59] [60] [61] The first suggestion to replace the term 'hermaphrodite' with 'intersex' came from British specialist Cawadias in the 1940s. [62] This suggestion was taken up by specialists in the UK during the 1960s.
But unlike sequential hermaphrodites, simultaneous hermaphrodites are both male and female at sexual maturity. Also sex determination does not apply to simultaneous hermaphrodites (except in species with mix mating systems). [4] In simultaneous hermaphrodites, self-fertilization is possible in some species, where in others it is absent. [5]
Emi Koyama, Japanese-American internist at Intersex Society of North America, co-founder of Intersex Awareness Day, and sex worker and trans feminist activist. Anton Kryzhanovsky ( Russian : Антон Крыжановский ), Russian intersex rights activist and sound designer, open about living with ovotestis .
Scholars of Islamic jurisprudence have detailed discussions on the status and rights of intersex people based on what mainly exhibits in their external sexual organs. The intersex rights includes rights of inheritance, rights to marriage, and rights to live like any other male or female.
Within the main clade Heterobranchia, the informal group Opisthobranchia are simultaneous hermaphrodites (they have both sets of reproductive organs within one individual at the same time). There are also a few marine pulmonates , and these are also hermaphroditic, for example, see the air-breathing sea slug family Onchidiidae , and the family ...
A penis (/ ˈ p iː n ɪ s /; pl.: penises or penes) is a male sex organ that is used to inseminate female or hermaphrodite animals during copulation. [1] [2] Such organs occur in both vertebrates and invertebrates, including humans, but not in all male animals. [3] The term penis applies to many intromittent organs, but not to all.