. A study of the causes underlying the origin of human monsters : third contribution to the study of the pathology of human embryos . Fig. 262b.—Section of the embryo. Enlarged about 10 times. No. I.] ORIGIN OF HUMAN MONSTERS. 259 filled with a large amount of granular magma, in which isimbedded a necrotic embryo, 14 mm. long. The decidua is filled Avith small abscesses, the leucocytesinvading the villi as well as the main walls of the changes in the embryo are extreme, the nervous systembeing solid, filling up the stumpy head. The outlines of theorgans are hazy, they being filled
. A study of the causes underlying the origin of human monsters : third contribution to the study of the pathology of human embryos . Fig. 262b.—Section of the embryo. Enlarged about 10 times. No. I.] ORIGIN OF HUMAN MONSTERS. 259 filled with a large amount of granular magma, in which isimbedded a necrotic embryo, 14 mm. long. The decidua is filled Avith small abscesses, the leucocytesinvading the villi as well as the main walls of the changes in the embryo are extreme, the nervous systembeing solid, filling up the stumpy head. The outlines of theorgans are hazy, they being filled more or less with roundcells. The embryo is falling into pieces; some of the epi-dermis is still intact. No. 263d. Ovum, 27 mm. in diameter; embryo, C. R., 15 mm. Dr. Lyman, Baltimore. The villi are apparently normal in form and in the mesoderm is a little fibrous. The blood-vesselsappear to be normal. The cord is dilated, showing the doubleenlargements, which are mucoid in structure. The brain and spinal cord are dissociated, with the brainprotruding into the mouth, but the other organs are fairly. Fig. 263d a.—Embryo within the ovum. X 2 260 MALL. [Vol. XIX. well outlined. The heart and large blood-vessels are filledwith blood and there is some infiltration of the surroundingtissues with round cells. The epidermis has fallen off. Thechanges within the embryo may be due to maceration, but on
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