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Vernix is produced during a distinct phase of the epidermal development. [2] Around the 21st week of gestation, periderm cells are being shed and replaced with stratum corneum; these shedding mix with secretions of sebum by the sebaceous glands to form vernix, which gradually covers the body in an anteroposterior and dorsoventral pattern.
Penile–vaginal intercourse, or vaginal intercourse, is a form of penetrative sexual intercourse in human sexuality, in which an erect penis is inserted into a vagina. [1] ...
In human anatomy, the penis (/ ˈ p iː n ɪ s /; pl.: penises or penes; from the Latin pēnis, initially "tail" [1]) is an external sex organ (intromittent organ) through which males urinate and ejaculate.
This is an accepted version of this page This is the latest accepted revision, reviewed on 9 March 2025. Atypical congenital variations of sex characteristics This article is about intersex in humans. For intersex in other animals, see Intersex (biology). Not to be confused with Hermaphrodite. Intersex topics Human rights and legal issues Compulsory sterilization Discrimination Human rights ...
Human sexuality portal; Articles relating to sexual intercourse (coitus, copulation), the insertion and thrusting of the male penis inside the female vagina for sexual pleasure, reproduction, or both.
An erection (clinically: penile erection or penile tumescence) is a physiological phenomenon in which the penis becomes firm, engorged, and enlarged. Penile erection is the result of a complex interaction of psychological, neural, vascular, and endocrine factors, and is often associated with sexual arousal, sexual attraction or libido, although erections can also be spontaneous.
In media discourse, sexual content is material depicting sexual behavior.The sexual behavior involved may be explicit, implicit sexual behavior such as flirting, [1] or include sexual language and euphemisms.
Pornography (colloquially called porn or porno) is sexually suggestive material, such as a picture, video, text, or audio, intended for sexual arousal.Made for consumption by adults, pornographic depictions have evolved from cave paintings, some forty millennia ago, to modern-day virtual reality presentations.