A textbook of obstetrics . acenta ofpig; C, structure of placenta of cow ; I), structure of placenta of fox; E, structureof placenta of cat; F, structure of placenta of sloth ; on the right side of the figurethe tlat 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; F, fetal, and M, maternal placenta; e, epithelium of chorion;e, epithelium of maternal placenta; d, fetal Mood-vessels; </, maternal blood-vessels; v, villus. The succeeding references apply to G on
A textbook of obstetrics . acenta ofpig; C, structure of placenta of cow ; I), structure of placenta of fox; E, structureof placenta of cat; F, structure of placenta of sloth ; on the right side of the figurethe tlat 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; F, fetal, and M, maternal placenta; e, epithelium of chorion;e, epithelium of maternal placenta; d, fetal Mood-vessels; </, maternal blood-vessels; v, villus. The succeeding references apply to G only : </•, 1 ecidua serotinaof placenta ; /, trabecule of serotina passing to fetal villi; ca, curling artery ; up,uteroplacental 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 ot the latter have the power to penetrate the endothelium of the decidual arterioles and thus open a direct. —Normal fully-developed placenta, showing villi in longitudinal and en ss-section (Williams |.
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Keywords: ., bookcentury1800, bookdecade1890, bookidtex, booksubjectobstetrics
