. A study of the causes underlying the origin of human monsters : third contribution to the study of the pathology of human embryos . hich explains why theembryo was seen in the fresh specimen. At some distancefrom the embryo the chorion appears to be normal in struc-ture. No. 212. Embryo, C. R., 15 mm. Dr. West, Bellaire, Ohio. The macerated embryo is from a large ovum which wasaborted October 9, 1902. Last menstrual period began onApril 3, 189 days before the abortion. The tissues of the embryo show that its development wasarrested during the sixth week. The central nervous systemis complete
. A study of the causes underlying the origin of human monsters : third contribution to the study of the pathology of human embryos . hich explains why theembryo was seen in the fresh specimen. At some distancefrom the embryo the chorion appears to be normal in struc-ture. No. 212. Embryo, C. R., 15 mm. Dr. West, Bellaire, Ohio. The macerated embryo is from a large ovum which wasaborted October 9, 1902. Last menstrual period began onApril 3, 189 days before the abortion. The tissues of the embryo show that its development wasarrested during the sixth week. The central nervous systemis completely dissociated, being but a mass of cells. Theother tissues of the body, except those of the head, have under-gone no secondary changes. The face and the top of thehead have been converted into a thickened mass of necrotictissue, in which may be seen large veins filled with eyes are immediately below the skin, thoroughly disso-ciated, but the vesicular lenses can still be outlined. No. 215. Ovum, 45 x 40 x 40 mm.; embryo, C. R., 17 Unger, Mercersburg, Pa. Brodel Collection. No. i.] ORIGIN OF HUMAN MONSTERS. 233. Fig. 215.—Photograph of macerated embryo in a piece of the size. The specimen is smooth and fleshy and filled with granularmagma, in which was found the remnants of a maceratedembryo. Sections of the chorion show that the decidua isattached and that the amnion lines the whole ovum. Thechorion is well developed, but the villi are matted together;it corresponds with its history, which states that the specimenis about 12 weeks old. It was preserved in 10 per cent alcohol. No. 223. Mole, 40 x 18 x 15 mm. Professor Brodel, Baltimore. At the point of attachment to the uterus the fibroid mass
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