Penetration refers to the interpolation of a penis or early object into an orifice such as a mouth, vagina, or anus. Penetration is an element of sexual pleasure and reproduction a well as a symbolic carry through defining virginity, marriage, and sodomy. Penile penetration of the vagina is the identify element in the definition of sexual sexual intercourse, which only occurs when a male penis penetrates a female vagina. There is no necessity about the depth or duration of penile penetration for penetration to have been accomplished. early sites of penile penetration such as the mouthpiece or the anus do not constitute sexual sexual intercourse but do constitute intimate activeness. The specific requirement of penile penetration makes the difference between legal definitions of rape ( penile penetration of the vagina and, more recently, anus ) and sexual assault ( no penile penetration of the vagina ), and between sexual practices deemed to be natural and proper ( penile penetration of the vagina ) and those categorized by more conservative groups as unnatural or perverse ( any intimate bodily process other than penile penetration of the vagina ). Because of the central character of the penis, sexual action between women, although it may include penetrations by objects other than penises, has sometimes not been considered sexual sexual intercourse .


To accomplish heterosexual sexual intercourse, a world ‘s penis must be erect or hard enough to push through or penetrate the resistance offered by vaginal tissue. The natural lubrication afforded by the vagina aids penetration by making passage through the vagina easier. Penile penetration of the vagina much results in male orgasm, and the ejaculation of semen and may, by itself, besides provoke female orgasm. Orgasm entirely by penile penetration does not happen arsenic frequently for females as for males. Because most of the nerves that stimulate female intimate reply are located in the out third of the vagina, bass penetration is not necessity for female sexual pleasure, although some women enjoy the sensations of cryptic penetration. penetration may besides stimulate the woman ‘s G-spot, a region of the anterior vagina wall that arouses surrounding tissue.

The biological determination of penile penetration is to enable the conception of a child by delivering sperm as close to a female egg as possible. typical penile penetration of the vagina would enable the penis to deposit semen on the neck, the opening to the vagina. natural conception occurs most often as a leave of penetration with ejaculation in the vagina, although occasionally pregnancies occur as a solution of sperm contained in the drops of initial preejaculate deposited near the vaginal unfold. Removing the penis after penetration but before ejaculation is a bad form of birth control, by and large because of the presence of sperm in the preejaculate. The concept of penile penetration underwrites concepts of virginity ampere good as symbolic understandings of marriage as male and female becoming one through sexual intercourse. These concepts are phallocentric, or focused on the penis as the necessary agent in all intimate scenarios. Whether there has been penile penetration of the vagina defines virginity. A womanhood who has not been penetrated by a penis is a pure. Because the first penetration much causes pain and bleeding, the bearing of blood on sheets is considered to be a sign not only of virginity but besides of a successful penetration. In sexual intercourse, the penis is understand as literally entering the womanhood ‘s body, attaching the two people. This sense of physical one then besides sustains understandings of marriage as a forcible unite of a male and a female and of adultery as the invasion of that integrity. The apparent complementarity of penis and vagina suggests the lifelike inevitability of penile penetration in heterosexual sexual intercourse while simultaneously suggesting that other modes of penetration are unnatural, even though such practices, such as penile penetration of the anus or digital penetration of the vagina, involve evenly complemental parts of the anatomy. The penis may besides penetrate parts of the consistency other than the vagina. Penetrating the mouth as in fellatio or the anus as in anal intercourse ( besides known as sodomy ) were traditionally silent as unnatural in the logic that defined penetration as occurring only in a vagina. such penetration can occur between males and females ampere well as between males and males and males and members of other species. Although such penetrations have long been a part of human intimate practice, they were repressed and gradually criminalized after the resurrect of Christianity. In 2003 a Texas law criminalizing sodomy and oral sex was deemed unconstitutional by the Supreme Court in Lawrence v. Texas. In the United States most sexual practices involving accept adults are no long criminalized. Forced penile penetration of another without consent defines the crime of rape. Although rape primitively occurred only between males and females who were not their wives, the definition of rape has been gradually expanded to include any kind of forced penile penetration of the vagina. sexual attack occurs when there is any kind of force sexual activeness short-circuit of penile penetration of the vagina, including contact between the penis and the mouthpiece or anus of another. Forced penile penetration of the anus of other males has been included as a form of rape. Penile penetration is difficult if a male has difficulty achieving or sustaining an erection. such failure is called erectile dysfunction. several drugs on the commercialize help remedy erectile dysfunction, including Viagra and Cialis. other cures for the inability to penetrate admit penile implants that stiffen the penis mechanically.

Rough or forced penetration can besides cause injury to the one being penetrated. Tears in the vagina and anus can occur when a penis is besides big, is inserted without adequate lubrication, or is pushed beyond normal anatomic limits .


Most notions of penetration are phallocentric or focused on the penis as a necessity element. intimate penetrations, however, besides occur with objects other than a penis. Dildos, which have existed since prehistory, are objects designed to penetrate both the vagina and the anus. Dildos, which frequently look wish penises or have a hanker, cylindrical shape, are used by both females and males. Some lesbians use dildo, which strap on to one player ‘s body. Some dildo include an attachment to stimulate the G-spot. Others have two heads and are used for coincident penetration by two women. Smaller dildo, called butt plugs, are designed to penetrate the anus. People have besides used early objects ranging from cucumbers and carrots to light bulbs as instruments for penetration, although some of these objects can cause injury .


Anand, Margot. 2000. Sexual Ecstasy: The Art of Orgasm. New York : Tarcher. Cohen, Joseph. 2004. The Penis Book. New York : Broadway. Lawrence v. Texas, 539 U.S. 558 ; 123 S. Ct. 2472 ( 2003 ).

Semans, Anne. 2004. The Many Joys of Sex Toys: The Ultimate How-to Handbook for Couples and Singles. New York : Broadway. underbrush, Steven. 2003. Gay Men and Anal Eroticism: Tops, Bottoms, and Versatiles. New York : Harrington Park Press. Judith Roof

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