The principles and practice of obstetrics . Relations betweenthe fcetal and mater-NAL Vessels in thePlacenta. — a. CurlingArtery of the Uterine Vein. c. Si-nus, d. Vessels of Foe-tal Tuft. (After Reid.) Fig. Vertical Section of Placenta, showing Arrangement of Maternal and F<etal Uterino Sinuses. (After Dalton.) -a, a. Chorion, b, b. Decidua. c, c, c, c. Orifices 62 (I E S T A T10 X •-Hv that they and the capillaries, Bpread over theirwalla nl rapidly as these tufts enlarge, penetra- ting even to the foetal surface of the placenta. He con-tends thai daring this gr
The principles and practice of obstetrics . Relations betweenthe fcetal and mater-NAL Vessels in thePlacenta. — a. CurlingArtery of the Uterine Vein. c. Si-nus, d. Vessels of Foe-tal Tuft. (After Reid.) Fig. Vertical Section of Placenta, showing Arrangement of Maternal and F<etal Uterino Sinuses. (After Dalton.) -a, a. Chorion, b, b. Decidua. c, c, c, c. Orifices 62 (I E S T A T10 X •-Hv that they and the capillaries, Bpread over theirwalla nl rapidly as these tufts enlarge, penetra- ting even to the foetal surface of the placenta. He con-tends thai daring this growth great transformations ,r. The maternal capillaries, as they enlarge, areed into each other, so as to lose the char-r of a capillary net-work, becoming dilated intowide Binuses which communicate freely with the en-larged v the uterus. These sinuses contain,daring gestation, large quantities of blood, surroundingall the ramifications of the fatal vessels in every por-tion of the placenta. This mass, therefore, is regardedby Dr. Dalton as at least twice as large during foetalhi1 as it is after delivery. He further states that theblood, which is discharged immediately after the birthof the child, comes not direc
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Keywords: ., boo, bookcentury1800, booksubjectobstetrics, booksubjectpregnancy
