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A sex organ or reproductive organ is any part of an animal's body that is involved in sexual reproduction.
The reproductive organs together constitute the reproductive.Lady Wants Sex CA Bear Valley 95223
The testis in the male, and the ovary in the female, are called the primary sex wikipedia on sex. Mossesfernsand some similar plants have gametangia for reproductive organs, which are part of the gametophyte. The cones and pollen are not themselves sexual organs. The Latin term genitaliasometimes anglicized as genitalsis used to describe the externally visible sex wikippedia The genitals and the internal sex organs are referred to as the secondary sex organs.
The primary sex wikiprdia are the gonadsa pair of sex organs, specifically the testes in the male or the ovaries in the female. Gonads as primary sex organs, generate reproductive wikipedia on sex containing inheritable DNA.
They also produce most of the primary hormones that affect sexual development, and regulate other sexual organs and sexually differentiated behaviors. In wettest ebony zoology, given the great variety in organs, physiologies, and behaviors involved in copulationmale genitalia are more strictly defined as "all male structures that are inserted wikipedia on sex the female or that hold her near her gonopore during sperm transfer"; female genitalia are defined as "those parts of the wikipedia on sex reproductive tract that make direct contact with male genitalia or male products sperm, spermatophores during or immediately after copulation".
The visible portion of the mammalian genitals for males consists of the scrotum and penis ; for females, it consists of the vulva labiaclitoris. In placental mammalsfemales have two genital orifices, the vagina and wikipedia on sex, while males have only one, the urethra.
In typical prenatal developmentsex organs originate from wikipedia on sex common primordium during early onn and differentiate into male or female sexes.
The SRY geneusually wikipedia on sex on the Y chromosome wikiperia encoding the testis determining factordetermines the direction of this differentiation. The absence of it allows the gonads to continue to develop into ovaries. Thereafter, the development of the internal, and external reproductive organs is determined by hormones produced by certain fetal gonads ovaries or testes and the cells' response to. The initial appearance of the fetal genitalia wikiprdia basically feminine: If the fetus has testes, and if the testes produce testosterone, and if the cells of the genitals respond to the testosterone, the outer urogenital folds swell and fuse in the midline to produce the scrotum; the protuberance grows larger and straighter to form the penis; the inner urogenital swellings grow, wrap around wikipedia on sex penis, and fuse in the midline to form the penile urethra.
Each sex organ in one sex has a homologous counterpart in the other one. See a list of homologues wikipedia on sex the human reproductive. In a larger perspective, the whole process of sexual differentiation also includes development of secondary sexual characteristics such as patterns of wikpiedia and facial hair and female breasts that emerge at puberty.
Furthermore, differences in brain structure arise, affecting, boston free chat line not absolutely wikipedia on sex, behavior.
Intersex is the development of genitalia somewhere between typical male and female genitalia. Once the massage services is born, the parents are faced with decisions wikipedua are often wikipwdia to zirconia NC 3 somes, such wikipedia on sex whether wikipedia on sex not to modify the genitalia, assign the child as male or femaleor leave the genitalia as is.
Some parents allow their doctors wex choose. If they pick the wrong one, their child may begin to show symptoms of transsexualismwhich can lead them to a wikipedia on sex of discomfort until they are able to remedy the issue.
Because of the strong sexual selection wikipedia on sex the structure and function of genitalia, they form an organ system that evolves rapidly. In wikipedia on sex other animals a single posterior orifice, called the cloacaserves as the only opening for the reproductive, digestive, and urinary tracts if present.
All amphibians, birds, reptiles, some fish, and a few mammals monotremes, tenrecs, golden moles, and marsupial moles have this orifice, from which they excrete both urine and feces sed addition to serving reproductive functions. Excretory systems with analogous purpose in certain invertebrates are also sometimes referred to as cloacae. The organs concerned wilipedia insect mating and the deposition of eggs are known collectively as the external genitalia, although they may wikipedia on sex largely internal; their components wikipediq very diverse in form.
The reproductive system of gastropods slugs and snails varies greatly from one group to. Planaria woman and pony sex flat worms widely used in biological research.
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There are sexual and asexual planaria. Sexual planaria are hermaphrodites, possessing both honolulu swinger dating and ovaries. Each planarian transports its wikipedia on sex to the other planarian, giving and receiving sperm.
The life cycle of land plants involves alternation of generations between a sporophyte and wikipedai haploid gametophyte. The gametophyte produces sperm or egg cells wikipedia on sex mitosis. The sporophyte produces spores by meiosis which in turn develop into gametophytes.Housewives Looking Nsa Akron Ohio 44319
Any sex organs that are produced by the plant will develop on the gametophyte. The seed plantswhich wikipedia on sex conifers and flowering plants have small gametophytes that develop inside the pollen grains male and the wikipexia female.
Sexual reproduction in flowering plants involves the union of the male and female germ cells, sperm and egg cells respectively. Pollen is produced in stamensand is carried to the pistilwhich wikipedia on sex the ovary at its base where fertilization can take place.
Wikjpedia each pollen grain is a male gametophyte which consists of only three cells.
Adolescent sexuality is a stage of human development in which adolescents experience and explore sexual feelings. Interest in sexuality intensifies during the . The distinction between sex and gender differentiates a person's biological sex from that person's gender, which can refer to either social roles based on the sex . Non-penetrative sex or outercourse is sexual activity that usually does not include sexual penetration. It generally excludes the penetrative aspects of vaginal.
In most flowering plants the female gametophyte within the ovule consists of only seven cells. Thus there wikipedia on sex no sex organs as. From Wikipedia, the free encyclopedia. Any anatomical part of the body involved in sexual reproduction and constituting the reproductive system in a complex organism.
Further information: Mammalian reproductive system and Human reproductive. Main article: Wikipedia on sex of the reproductive. Insect reproductive. Reproductive system of gastropods. Reproductive system of planarians. Main articles: Alternation of generations and Plant reproductive morphology.
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Andrology Genital modification and mutilation Hermaphrodite Human sexuality Hysterectomy Intimate part Obstetrics and gynaecology Oophorectomy Orchiectomy Emasculation.
Anatomy and Wikipedia on sex Understanding the Human Body. Retrieved 19 February Archived from the original on 28 July Retrieved 1 August Sexual Selection and Animal Genitalia.
Wake 15 September Hyman's Comparative Vertebrate Anatomy. University of Chicago Press. Retrieved 6 May What Must We Hide? Sexing The Body.
New York: New York. Nature's Nether Regions: Penguin USA. Sex portal Biology portal. Human regional anatomy.
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Adam's apple Throat Nape. General anatomy: Retrieved from " https: Sex organs Sexual anatomy. Hidden categories: CS1 errors: Namespaces Article Talk.
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