. A study of the causes underlying the origin of human monsters : third contribution to the study of the pathology of human embryos . Fig. 6d.—Section through the vesicle, V, nearer the tail with a ventral,motor, nerve root on either side. No. 10. Embryo, C. R., 20 mm. From Dr. W. S. Miller, Worcester, Mass. At first I believed the embryo to be normal, but after it hadbeen cut into sections 20 microns thick, and the entire bodyreconstructed from them, it was found that the abdominalviscera were clumsy in shape and that the liver protruded intothe umbilical cord. A comparison of the picture of
. A study of the causes underlying the origin of human monsters : third contribution to the study of the pathology of human embryos . Fig. 6d.—Section through the vesicle, V, nearer the tail with a ventral,motor, nerve root on either side. No. 10. Embryo, C. R., 20 mm. From Dr. W. S. Miller, Worcester, Mass. At first I believed the embryo to be normal, but after it hadbeen cut into sections 20 microns thick, and the entire bodyreconstructed from them, it was found that the abdominalviscera were clumsy in shape and that the liver protruded intothe umbilical cord. A comparison of the picture of the re-construction of the body of this embryo with those of botholder and younger specimens will show that the body of theembryo is markedly distorted and that there is hernia of theliver. 144 MALL. [Vol. Fig. io.—Reconstruction of the embryo. X 8 times. L, liver; S, stomach;W, Wolffian body; SC, suprarenal body. No. 11. Ovum, io x 7 mm.; umbilical vesicle, x i mm.; em-bryo, .8 mm. From Dr. Kittridge, Nashua, N. H., March 16, 1893. This specimen was sent me by mail in an ordinary filled completely with alcohol. Dr. Kittridge has pro-cured for me the following history: The woman, from whomthe specimen was obtained, is twenty-five years old, men-struates regularly every four weeks, the periods lasting from No. i.] ORIGIN OF HUMAN MONSTERS. 145
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