In place of a taboo program, it’s likely that Lev

The theory is a just be sure to identify women physiology into the foundation out of a male paradigm

fifteen is in fact a healthcare otherwise medical chapter on the Bible discussing info from vegetables and you may seed impurity. Uterine blood try seen as lady seeds, brand new parallel so you’re able to male sperm. This idea is slightly widespread about Old Close East and you will is clearly made in new Greek medical texts, in the Aristotle, and in later on Roman texts. Males ejaculate vegetables. People menstruate when they are maybe not expecting although not while pregnant. Monthly period blood must ergo become girls contribution in order to conception. So it paradigm manages to lose coherency when you to attempts to associate people orgasm, conception, and you may menstruation, nonetheless it are one rather analytical model of reproduction found in Antiquity and not really the only illustration of rabbinic reliance upon an excellent male paradigm to own malfunction of female structure.

The real difference within the seed impurity between people fundamentally shows variations in men and women structure. Men climax is carried out rapidly and sperm is sometimes deposited inside an effective woman’s system or is immersed because of the attire, sleep covers, or any other topic. This will account for the fresh quick duration of the newest impurity-up until nightfall. Rather, sperm does not end in midras (lit. “treading”) impurity so you’re able to seats and bedrooms, rather than brand new zav, zava, and you will niddah.