Sex Glossary: N





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narcissism: Love of or sexual desire for one’s self.

natural family planning: (NFP): Various fertility control methods based on the fact that a woman usually produces a mature ovum once a month.

necrophilia: Arousal through sexual activity with a corpse.

neural groove A groove on the early: embryo formed by the infolding of the outer layer of cells and destined to become the nervous system.

nipple: The conical protuberance in each breast of the female and the male; the site from which milk is discharged by the female during lactation.

nocturnal emissions: Involuntary male orgasms and ejaculations that occur during sleep and that are usually associated with sexual dreams; also called “wet dreams.”: nocturnal orgasms: Orgasms in both females and males that occur during sleep and that are usually associated with a sexual dream.

nuclear family: Parents and their children as a group.

nymphomania: Compulsive sexual activity in females without the relief of sexual tensions; the affected person is sometimes called a “nymph.”

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