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• Sexual orientation — is believed to refer to an enduring pattern of emotional, romantic, and/or sexual attractions to men, women, or both sexes. According to the American Psychological Association it also refers to an individual’s sense of personal and social… …   Wikipedia

• Sexual identity — is a term that, like sex , has two distinctively different meanings. One describes an identity roughly based on sexual orientation, the other an identity based on sexual characteristics, which is not socially based but based on biology, a concept …   Wikipedia

• Sexual maturity — is the age or stage when an organism can reproduce. It is sometimes considered synonymous with adulthood, though the two are distinct. In humans, the process of sexually maturing is termed puberty. Most multicellular organisms are unable to… …   Wikipedia

• sexual behaviour, human — Introduction       any activity solitary, between two persons, or in a group that induces sexual arousal. There are two major determinants of human sexual behaviour: the inherited sexual response patterns that have evolved as a means of ensuring… …   Universalium

• Sexual differentiation — This article is about the development of sexual dimorphisms in humans. For sex differences for all animals, see Sexual dimorphism. Sexual differentiation is the process of development of the differences between males and females from an… …   Wikipedia

• Sexual dimorphism — Female (left) and male Common Pheasant, illustrating the dramatic difference in both color and size between sexes Sexual dimorphism is a phenotypic difference between males and females of the same species. Examples of such differences include… …   Wikipedia

• Biology and sexual orientation — Sexual orientation Orientations Asexual · Bisexual · Heterosexual · Homosexual Gender based alternative concepts Androphilia and gynephilia · Human female sexuality  …   Wikipedia

• sexual intercourse — genital contact, esp. the insertion of the penis into the vagina followed by orgasm; coitus; copulation. [1790 1800] * * * or coitus or copulation Act in which the male reproductive organ enters the female reproductive tract (see reproductive… …   Universalium

• Sexual orientation and military service —   Homosexuals and bisexuals allowed to serve in the military …   Wikipedia

• Neuroscience and sexual orientation — Sexual orientation Orientations Asexual · Bisexual · Heterosexual · Homosexual Gender based alternative concepts Androphilia and gynephilia · Human female sexuality  …   Wikipedia

• Environment and sexual orientation — Sexual orientation Orientations Asexual · Bisexual · Heterosexual · Homosexual Gender based alternative concepts Androphilia and gynephilia · Human female sexuality  …   Wikipedia