The practice of obstetrics, designed for the use of students and practitioners of medicine . Fig. 97.—Isolated Terminal Branch of from the Chorion of anEmbryo of Twelve Weeks.—(Minot.). : .<y -Chorionic Villi at Five Months—{Minot.) supposes that the fetal skin is the source of this fluid, and there has, indeed,been noted in several cases a connection between affections of the fetal skin—in one instance extensive nevi—and hydramnios. The view that much ofthe liquor amnii has a maternal source is substantiated by the results of numerousexperiments. Tuntz, after the injection of su


The practice of obstetrics, designed for the use of students and practitioners of medicine . Fig. 97.—Isolated Terminal Branch of from the Chorion of anEmbryo of Twelve Weeks.—(Minot.). : .<y -Chorionic Villi at Five Months—{Minot.) supposes that the fetal skin is the source of this fluid, and there has, indeed,been noted in several cases a connection between affections of the fetal skin—in one instance extensive nevi—and hydramnios. The view that much ofthe liquor amnii has a maternal source is substantiated by the results of numerousexperiments. Tuntz, after the injection of sulphindigotate into the veins ofpregnant rabbits, recognized the reagent in the liquor amnii by its blue coloring-matter, while there was no trace of it in the fetal kidneys. Experiments withother substances—e. g., iodin, salicylic acid, and potassium ferrocyanid—havebeen made. Chloroform administered to the mother in labor has been demon-strated later in the umbilical circulation, so that it probably exerts an an-esthetic influence on the fetus. However, the endeavor to introduce suchsubstances as fat, vermilion, and india ink into the fetal circulation by admin-istering them to


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectobstetrics, bookyear1