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Anal sex or anal intercourse is generally the insertion and thrusting of the erect penis into a person's anus, or anus and rectum, for sexual pleasure. Other forms of anal sex include anal fingering, the use of sex toys, anilingus, pegging, as well as electrostimulation and erotic torture such as figging. Although anal sex most commonly means penile–anal penetration, sources sometimes use anal intercourse to exclusively denote penile–anal penetration, and anal sex to denote any form of anal sexual activity, especially between pairings as opposed to anal masturbation.
In amniotes, the clitoris is a female sex organ. In humans, it is the vulva's most erogenous area and generally the primary anatomical source of female sexual pleasure. The clitoris is a complex structure, and its size and sensitivity can vary. The visible portion, the glans, of the clitoris is typically roughly the size and shape of a pea and is estimated to have at least 8,000 nerve endings.
Orgasm or sexual climax is the sudden release of accumulated sexual excitement during the sexual response cycle, characterized by intense sexual pleasure resulting in rhythmic, involuntary muscular contractions in the pelvic region. Orgasms are controlled by the involuntary or autonomic nervous system and experienced by both males and females; the body's response includes muscular spasms, a general euphoric sensation, and, frequently, body movements and vocalizations. The period after orgasm is typically a relaxing experience, after the release of the neurohormones oxytocin and prolactin, as well as endorphins.
Sexual intercourse is a sexual activity typically involving the insertion and thrusting of the male penis inside the female vagina for sexual pleasure, reproduction, or both. This is also known as vaginal intercourse or vaginal sex. Sexual penetration has been known by humans since the dawn of time, and has been an instinctive form of sexual behaviour and psychology among humans. Other forms of penetrative sexual intercourse include anal sex, oral sex, fingering and penetration by use of a dildo, and vibrators. These activities involve physical intimacy between two or more people and are usually used among humans solely for physical or emotional pleasure. They can contribute to human bonding.
In mammals and other animals, the vagina is the elastic, muscular reproductive organ of the female genital tract. In humans, it extends from the vulval vestibule to the cervix. The vaginal introitus is normally partly covered by a thin layer of mucosal tissue called the hymen. The vagina allows for copulation and birth. It also channels menstrual flow, which occurs in humans and closely related primates as part of the menstrual cycle.
The hymen is a thin piece of mucosal tissue that surrounds or partially covers the vaginal introitus. A small percentage are born with hymens that are imperforate and completely obstruct the vaginal canal. It forms part of the vulva and is similar in structure to the vagina. The term comes straight from the Greek, for 'membrane'.
Sir William Osler, 1st Baronet, was a Canadian physician and one of the "Big Four" founding professors of Johns Hopkins Hospital. Osler created the first residency program for specialty training of physicians. He has frequently been described as the Father of Modern Medicine and one of the "greatest diagnosticians ever to wield a stethoscope". In addition to being a physician he was a bibliophile, historian, author, and renowned practical joker. He was passionate about medical libraries and medical history, having founded the History of Medicine Society, at the Royal Society of Medicine, London. He was also instrumental in founding the Medical Library Association of Great Britain and Ireland, and the Association of Medical Librarians along with three other people, including Margaret Charlton, the medical librarian of his alma mater, McGill University. He left his own large history of medicine library to McGill, where it became the Osler Library.
Vaginismus is a condition in which involuntary muscle spasm interferes with vaginal intercourse or other penetration of the vagina. This often results in pain with attempts at sex. Often it begins when vaginal intercourse is first attempted. Vaginismus may be considered an older term for pelvic floor dysfunction.
Dyspareunia is painful sexual intercourse due to somatic or psychological causes. The term dyspareunia covers both female dyspareunia and male dyspareunia, but many discussions that use the term without further specification concern the female type, which is more common than the male type. In females, the pain can primarily be on the external surface of the genitalia, or deeper in the pelvis upon deep pressure against the cervix. Medically, dyspareunia is a pelvic floor dysfunction and is frequently underdiagnosed. It can affect a small portion of the vulva or vagina or be felt all over the surface. Understanding the duration, location, and nature of the pain is important in identifying the causes of the pain.
Sexual dysfunction is difficulty experienced by an individual or partners during any stage of normal sexual activity, including physical pleasure, desire, preference, arousal, or orgasm. The World Health Organization defines sexual dysfunction as a "person's inability to participate in a sexual relationship as they would wish". This definition is broad and is subject to many interpretations. A diagnosis of sexual dysfunction under the DSM-5 requires a person to feel extreme distress and interpersonal strain for a minimum of six months. Sexual dysfunction can have a profound impact on an individual's perceived quality of sexual life. The term sexual disorder may not only refer to physical sexual dysfunction, but to paraphilias as well; this is sometimes termed disorder of sexual preference.
John Arthur Bennett was a U.S. Army soldier who remains the last person to be executed after a court-martial by the United States Armed Forces. The 19-year-old private was convicted of the rape and attempted murder of an 11-year-old girl in Austria. Despite last minute appeals for clemency and pleas to President John F. Kennedy by the victim's family to spare his life, Kennedy refused; Bennett was hanged at Fort Leavenworth, Kansas in 1961.
Hymenorrhaphy or "hymen reconstruction surgery" is the surgical alteration of the hymen, with the goal of producing bleeding on intercourse and a tight vaginal introitus, falsely believed to indicate virginity. The term comes from the Greek words hymen meaning "membrane", and raphḗ meaning "suture". It is also known as hymenoplasty, although strictly this term would also include hymenotomy.
Non-penetrative sex or outercourse is sexual activity that usually does not include sexual penetration, but some forms, particularly when termed outercourse, include penetrative aspects, that may result from forms of fingering or oral sex. It generally excludes the penetrative aspects of vaginal, anal, or oral sex, but includes various forms of sexual and non-sexual activity, such as frottage, manual sex, mutual masturbation, kissing, or hugging.
In human anatomy, the penis is an external sex organ through which males urinate and ejaculate. Together with the testes and surrounding structures, the penis functions as part of the male reproductive system.
A douche is a term for a device used to introduce a stream of water into the body for medical or hygienic reasons, or for the stream of water itself. Douche usually refers to vaginal irrigation, the rinsing of the vagina, but it can also refer to the rinsing of any body cavity. A douche bag is a piece of equipment for douching—a bag for holding the fluid used in douching. To avoid transferring intestinal bacteria into the vagina, the same bag must not be used for an enema and a vaginal douche.
Teeth is a 2007 American comedy horror film written and directed by Mitchell Lichtenstein. The film stars Jess Weixler and was produced by Lichtenstein on a budget of $2 million. It premiered at the Sundance Film Festival on January 19, 2007, and received a limited release in the United States on January 18, 2008, by Roadside Attractions. Its title refers to the ancient trope of vagina dentata.
Vagina dentata is a folk tale tradition in which a woman's vagina is said to contain teeth, with the associated implication that sexual intercourse might result in injury, emasculation, or castration for the man involved. The topic of vagina dentata may also cover a rare medical condition affecting the vagina, in which case it is more accurately termed a vaginal dermoid cyst.
Postcoital bleeding (PCB) is non-menstrual vaginal bleeding that occurs during or after sexual intercourse. Though some causes are with associated pain, it is typically painless and frequently associated with intermenstrual bleeding.
Vaginal transplantation is procedure whereby donated or laboratory-grown vagina tissue is used to create a 'neovagina'. It is most often used in women who have vaginal aplasia.
Genital trauma is trauma to the genitalia.
References
- 1 2 Taylor, Kräupl K. (October 20, 1979). "Penis captivus – did it occur?". British Medical Journal. 2 (6196): 977–978. doi:10.1136/bmj.2.6196.977. PMC 1596579 . PMID 509182. The "medical man named Davis, not otherwise identified," whose account Kräupl Taylor cites in the fifth paragraph is actually Sir William Osler's fictitious surgeon 'E.Y. Davis'. (See "Hoax report" below.)
- 1 2 Musgrave, Brendan (1980). "Penis captivus has occurred". British Medical Journal, January 5, 1980, p. 51
- ↑ Moor, Elisabeth (1975). An Impossible Woman: The Memories of Dottoressa Moor of Capri, edited by Graham Greene. London: The Bodley Head, pp. 151–152. ISBN 0-370-10260-6
- ↑ Golden, Richard L. (1999). The Works of Egerton Yorrick Davis, MD: Sir William Osler's Alter Ego. Osler Library, McGill University. ISBN 0-7717-0548-4. A collection of writings by the fictitious surgical character created by Osler, 'E.Y. Davis'.