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Sadism and masochism, known collectively as sadomasochism (/ˌseɪdoʊˈmæsəkɪzəm/ SAY-doh-MASS-ə-kiz-əm), are the derivation of pleasure from acts of respectively...

The alpaca (Lama pacos) is a species of South American camelid mammal. Traditionally, alpacas are kept in herds that graze on the level heights of the...

Severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2) is a strain of coronavirus that causes COVID-19, the respiratory illness responsible for the...

Biochemistry or biological chemistry is the study of chemical processes within and relating to living organisms. A sub-discipline of both chemistry and...

Urolagnia (also urophilia, and, more colloquially, a golden shower or watersports) is a paraphilia in which sexual excitement is associated with the sight...

Pharmacology is the science of drugs and medications, including a substance's origin, composition, pharmacokinetics, pharmacodynamics, therapeutic use...

Cellular respiration is the process by which biological fuels are oxidized in the presence of an inorganic electron acceptor, such as oxygen, to drive...

Pollen is a powdery substance produced by most types of flowers of seed plants for the purpose of sexual reproduction. It consists of pollen grains (highly...

Game or quarry is any wild animal hunted for animal products (primarily meat), for recreation ("sporting"), or for trophies. The species of animals hunted...

Dominance and submission (D/s) is a set of behaviors, customs, and rituals involving the submission of one person to another in an erotic episode or lifestyle...

A stripper or exotic dancer is a person whose occupation involves performing striptease in a public adult entertainment venue such as a strip club. At...

Sex tourism is the practice of traveling to foreign countries, often on a different continent, with the intention of engaging in sexual activity or relationships...

Immunotherapy or biological therapy is the treatment of disease by activating or suppressing the immune system. Immunotherapies designed to elicit or amplify...

An obscenity is any utterance or act that strongly offends the prevalent morality of the time. It is derived from the Latin obscēnus, obscaenus, "boding...

A webcam model (colloquially, camgirl, camboy, or cammodel) is a video performer who streams on the Internet with a live webcam broadcast. A webcam model...

The plushcap (Catamblyrhynchus diadema) is a species of bird in the tanager family Thraupidae and it is the only member of the genus Catamblyrhynchus....

Albumin is a family of globular proteins, the most common of which are the serum albumins. All of the proteins of the albumin family are water-soluble...

A one-night stand or one-night sex is a single sexual encounter in which there is no expectation that there shall be any further relations between the...

A sex offender (sexual offender, sex abuser, or sexual abuser) is a person who has committed a sex crime. What constitutes a sex crime differs by culture...

The hymenium is the tissue layer on the hymenophore of a fungal fruiting body where the cells develop into basidia or asci, which produce spores. In some...