Anal sex, a type of sexual activity involving stimulation of the anus. Anal stage, a term used by Sigmund Freud to describe the development during the second year of life. Anal expulsive, people who have a carefree attitude. Anal retentive, a person overly uptight or distressed over ordinarily minor problems.
sexual practice with a person's anus, or anus and rectum, for sexual pleasure, including intercourse, fingering, the use of sex toys for anal penetration, oral sex performed on the anus (anilingus), and pegging
In humans, the anus is the external opening of the rectum, located inside the intergluteal cleft and separated from the genitals by the perineum. Two sphincters control the exit of feces from the body during an act of defecation, which is the primary function of the anus. These are the internal anal sphincter and the external anal sphincter, which are circular muscles that normally maintain constriction of the orifice and which relaxes as required by normal physiological functioning. The inner s
anal (third-person singular simple present anals, present participle (US) analing or (Commonwealth) analling, simple past and past participle (US) analed or (Commonwealth) analled) ( transitive , slang , rare , chiefly in pornography ) To penetrate anally.
Anal sex can involve a penis inserted in the anus, oral stimulation of the anus, using fingers for penetration and using different objects for stimulation. 19th-century erotic interpretation of Hadrian and Antinous in Egypt, by Paul Avril
anal intercourse insertion and thrusting of the erect penis into a person's anus, or anus and rectum, for sexual pleasure ...
O sexo anal é frequentemente associado com hemorróidas, prolapso anal, dor no canal anal, úlceras e fissuras.  Recentes estudos têm comprovado que o risco destes pontos citados anteriormente está a aumentar entre os homens que fazem sexo com homens.
Heteroszexuális. Az anális szex a heteroszexuális emberek között igen gyakori, egy az USA-ban készült 2005-ös vizsgálat szerint a 25-44 év közötti amerikai férfiak 40, míg a nők 35%-ának volt már heteroszexuális anális közösülése.
A person with male genitalia has vaginal or anal sex with one partner, while themselves being anally penetrated by another. A participant has vaginal or anal sex with one partner, and both have oral sex with a third.
Put simply, an anal O is the result of sexual stimulation of the nerves in and around the anus.