File:The science of eugenics and sex life, the regeneration of the human race (1914) (14804974303).jpg

Identifier: scienceofeugenic00hadd (find matches)
Title: The science of eugenics and sex life, the regeneration of the human race ..
Year: 1914 (1910s)
Authors: Hadden, Walter J Robinson, Charles H Melendy, Mary Ries, 1842- (from old catalog)
Subjects: Eugenics Marriage Beauty, Personal Women
Publisher: Philadelphia, Pa., National publishing co
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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und. The vesicle itself also bursts open as does the membrane of theovary; and the ripened ovum, or egg, is set free. This escape of theovum occurs at the menstrual period. It requires from two to fivedays for the ovum to pass through the Fallopian tubes and reach thewomb; it never reaches there until the flow has ceased, and after re-maining there from two to eight days, if no intercourse is had with the male, the egg then passesfrom the womb into the vaginaand is expelled from the sys-tem. In case of intercourseoccurring while the ovum is inthe womb, the male elementunites with thegerm of theovum, impreg-nation takesplace, and life isbegun. MAMMARY GLANDS. Closely relat-ing with thegenerative or-gans are theseglands intendedfor the secretionof milk to nour-ish the infant after birth. They have been previously referred to indescribing the breasts, but I will here mention a few further details asto their construction. At the time of delivery, the milk is secreted in follicles, grouped
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SECTION OF FEMALE PELVIS SHOWING POSITION OF THE VISCERA. THE REPRODUCTIVE ORGANS. 285 closely and opening into ducts, which meet and merge into larger andlarger ones as they approach the surface, finally terminating in thenipples. To permit the milk to be drawn out by the infant in theprocess of nursing, the nipples are perforated with numerous open-ings; and to protect them from pain in the act of sucking, fat is lib-erally secreted by glands at their base. Fatty tissue is thus producedwhich forms the size and shape of the breasts. The breasts become considerably enlarged at puberty, and moreso during pregnancy and after delivery. One of the signs of preg«nancy is the change of color in the areola, which surrounds the nippleIn the virgin this is a delicate rosy pink, but in pregnancy it turns tda dark brown. Abundant blood-vessels and nerves are supplied to the mammaryglands, connecting them closely with the generative organs, which aresimilarly supplied. These tend to keep the ent

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