Identifier: textbobstet00hirs (find matches)
Title: A textbook of obstetrics
Year: 1898 (1890s)
Authors: Hirst, Barton Cooke, 1861-1935
Subjects: Obstetrics
Publisher: Philadelphia : Saunders
Contributing Library: Yale University, Cushing/Whitney Medical Library
Digitizing Sponsor: Open Knowledge Commons and Yale University, Cushing/Whitney Medical Library

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-The capillary system of a placental villus(from Minot). 1 Loc. cit. THE PLACENTA. 115
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Fig. 85.—A, Placenta in its most generalized form ; B, structure of placenta ofpig; C, structure of placenta of cow; D, structure of placenta of fox; E, structureof placenta of cat; F, structure of placenta of sloth ; on the right side of the figurethe flat maternal epithelial cells are shown in situ ; on the left side they are removed,and the dilated maternal vessel with its blood-corpuscles is exposed; G, structure ofhuman placenta; E, fetal, and M, maternal placenta; e, epithelium of chorion;ef, epithelium of maternal placenta; d, fetal blood-vessels; d/, maternal blood-vessels ; v, villus. The succeeding references apply to G only : ds, Decidua serotinaof placenta ; t, trabeculse of serotina passing to fetal villi; ca, curling artery; upyuteroplacental vein (from Balfour, after Turner). n6 PREGNANCY expansions may be compared to a sea into which project penin-sulas and capes of decidual masses and placental villi. Thesyncytial cells of the latter have the power to penetrate thee

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