Sexual sadism disorder

Sadism () and masochism (), known collectively as sadomasochism ( ) or S&M, is the derivation of pleasure from acts of respectively inflicting or receiving pain or humiliation. The term is named after the Marquis de Sade, a French author known for his violent and libertine works and lifestyle, and Leopold von Sacher-Masoch, an Austrian author who described masochistic tendencies in his works. Though sadomasochistic behaviours and desires do not necessarily need to be linked to sex, sadomasochism is also a definitive feature of consensual BDSM relationships.

measurement of bloodflow to the penis

murder in which the offender is motivated by the sexual desire to kill another person

thumb|Peter Paul Rubens - The Rape of the Daughters of Leucippus Biastophilia (from Greek biastes, "rapist" + -philia) and its Latin-derived synonym raptophilia (from Latin rapere, "to seize"), also paraphilic rape, is a paraphilia in which sexual arousal is dependent on, or is responsive to, the act of assaulting an unconsenting person, especially a stranger. Some dictionaries consider the terms synonymous, while others distinguish raptophilia as the paraphilia in which sexual arousal is responsive to actually raping the victim.

paraphilic disorder in which a person derives sexual satisfaction from inflicting pain on others

human disease

theoretical construct in sexology