Reading or viewing pornography, sexual fantasy or other erotic stimuli may lead to a desire for sexual release such as by masturbation. If one person is penetrated by two objects, it is generically called double penetration . Hermaphrodite, also known as herm, refers to pornography, typically hentai, that features persons with the genitalia of both sexes. To avoid soreness from this resulting friction, some may prefer to use a personal lubricant, masturbation cream or saliva during masturbation. Crush pornography features objects being crushed by an actress or actor, who generally plays an overtly dominant role. Behind the Green Door was one of the first pornographic films to feature sex between a white actress with a black actor . Lesbian pornography typically features a wider range of appearances and body types than is typical of mainstream pornography. Patricia Hill Collins, an cialis online African-American writer, theorizes that this is derived from a stereotype that those of black descent are promiscuous, and their buttocks are objectified by porn as a result. In POV porn, the shooting style is generally similar to gonzo pornography, with the person receiving sexual gratification holding the camera him or herselfŚaiming it down at the actress or actor who is performing the sex act. In these research publications, it is suggested that real female ejaculation is the release of a very scanty, thick, and whitish fluid from the female prostate, while the squirting or gushing shown frequently in pornography is a different phenomenon, the expulsion of clear and abundant fluid, which has been shown to be a diluted fluid from the urinary bladder. In the Diagnostic and Statistical Manual of Mental Disorders , published by the American Psychiatric Association, it is classified under 302.89 ľ Paraphilia NOS and has no diagnostic criteria other than a general statement about paraphilias that says the diagnosis is made if the behavior, sexual urges, or fantasies cause clinically significant distress or impairment in social, occupational, or other important areas of functioning. SV Borsch 1925 in der Landesklasse