. A study of the causes underlying the origin of human monsters : third contribution to the study of the pathology of human embryos . Fig. 3111*.—Section of a villus which is invaded and partly destroyed byleucocvtes. No. i.] ORIGIN OF HUMAN MONSTERS. 305 cells. Liver, heart wall, intestine and mesenchyme are beingdestroyed. The precartilage is more sharply denned than inthe normal embryo. The spinal cord is dilated, the brainand eye nearly solid and the ear Aesicle is destroyed. Theganglia and nerves are disintegrating. The epidermis is partlywanting, and in the head region the skin is studde
. A study of the causes underlying the origin of human monsters : third contribution to the study of the pathology of human embryos . Fig. 3111*.—Section of a villus which is invaded and partly destroyed byleucocvtes. No. i.] ORIGIN OF HUMAN MONSTERS. 305 cells. Liver, heart wall, intestine and mesenchyme are beingdestroyed. The precartilage is more sharply denned than inthe normal embryo. The spinal cord is dilated, the brainand eye nearly solid and the ear Aesicle is destroyed. Theganglia and nerves are disintegrating. The epidermis is partlywanting, and in the head region the skin is studded withnumerous papillomata. The face is adherent to the thorax. No. 312. Ovum, 25 x 15 x 10 mm.; embryo, straightened and 8 Dr. Stanton. Albany. N. Y. Abortion followed a blow upon the abdomen. One sideof the ovum is very hemorrhagic and the other side villi are few in number, fibrous, without a svncvtial cov-. FiG. 312.—Solid ovum with embryo hanging from it. Enlarged nearly 2diameters. ering and possibly invaded by leucocytes. The main wall ofthe chorion appears to be necrotic. The embryo is straight, showing three gill arches and somemyotomes. Its tissues do not stain well, but the spinal cordcan still be outlined. The tissues appear to be infiltrated withround cells. No. 316. Embryo. C. 44 Simms, Baltimore. There are peculiar patches upon the skin, the cord isatrophic, feet and hands club-shaped and one hand is ad- 306 MALL. [Vol. XIX.
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