Sympathetic innervationLe, Bhushhan, Hoffman. First Aid for the USMLE Step1. p.613. 2019. by the hypogastric nerve is responsible for the emission of semen into the posterior urethra. Emission is the first phase of male ejaculation (followed by the second phase, expulsion).
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Keri () is a Hebrew term which literally means "happenstance", "frivolity" or "contrariness" and has come to mean seminal emission. The term is generally used in Jewish law to refer specifically to the regulations and rituals concerning the emission of semen, whether by nocturnal emission, or by sexual activity. A man is said to be a ba'al keri () ("one who has had a seminal emission") after he has ejaculated without yet completing the associated ritual cleansing requirements.
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In the sixth reading (, aliyah), when a man had an emission of semen, he was to bathe and remain unclean until evening. All material on which semen fell was to be washed in water and remain unclean until evening. And if a man had carnal relations with a woman, they were both to bathe and remain unclean until evening. When a woman had a menstrual discharge, she was to remain impure seven days, and whoever touched her was to be unclean until evening.
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The Book of Leviticus contains several laws relating to seminal emission. A man who had experienced an emission of semen would become ritually impure, until the evening came and he had washed himself in water. Any clothes or leather touched by semen also become ritually impure, until they are washed in water and the evening had come. If the man ejaculated semen during sexual intercourse with a woman, the woman would also become ritually impure, until the evening had come and she had washed herself in water.
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Niddah 13b The Talmud also described procedures in case a man emitted semen (permissibly or otherwise). It states that one who experienced an emission of semen is required by the Torah to immerse in water in order to be allowed to consume from a heave offering or sacrifice. It also states that Ezra decreed that one should also immerse in order to be allowed to recite words of Torah, but that Ezra's decree no longer applies nowadays. Later on, the Rishonim debated whether Ezra's decree still applies in regard to prayer.
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Al-Ghazali, a prominent Muslim theologian writing in the 11th century, wrote Revival of the Religious Sciences, a multi-volume work on dissecting the proper forms of conduct for many aspects of Muslim life and death. One of the volumes, entitled The Mysteries of Purity, details the proper technique for performing ablutions before prayer and the major ablution (ghusl) after anything which renders it necessary, such as the emission of semen. For al-Ghazali, the hammam is a primarily male experience, and he cautions that women are to enter the hammam only after childbirth or illness. Even then al-Gazali finds it admissible for men to prohibit their wives or sisters from using the hammam.
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It amounts to "putting God in the > dock" because He (or She, or evolution, or whoever or whatever one believes > to have created the world and mankind), by creating two different types of > people (men and women), failed to obey the currently "politically correct" > principle that there ought to be no differences between people. Second, the > function of a woman's vagina and that of her anus are fundamentally > different: the way in which the human species procreates is by the male > discharging his semen into the woman's vagina, as opposed to her anus. > Penile penetration of the vagina may result in the woman becoming pregnant. > The danger of pregnancy is absent if the woman is penetrated anally, even if > there had been an emission of semen.
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In the Summa Theologica, Thomas Aquinas stated that "the unnatural vice" is the greatest of the sins of lust. In his Summa contra Gentiles, traditionally dated to 1264, he argued against what he called "the error of those who say that there is no more sin in the emission of the semen than in the ejection of other superfluous products from the body" by saying that, after murder, which destroys an existing human being, disordinate emission of semen to the preclusion of generating a human being seems to come second. Alongside this, the German Dominican Albertus Magnus described homosexuality as a foulness that was marked by an uncontrollable frenzy as well as contagious. In 1424, Bernardino of Siena preached for three days in Florence, Italy, against homosexuality and other forms of lust, calling for sodomites to be ostracized, and these sermons alongside measures by other clergy of the time strengthened opinion against homosexuals and encouraged the authorities to increase the measures of persecution.
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