. A study of the causes underlying the origin of human monsters : third contribution to the study of the pathology of human embryos . Fig. 130c.—Section through the amnion, cord and chorion. X 10 Fig. i3od.—Section through the attachment of the amnion and cord tothe chorion. X 10 times. IQ4 MALL. [Vol. XIX. urements are 10 x 4 mm., into which extends the umbilicalcord. At the end of the cord there is a mass of tissue mostlybroken down, the remains of the embryo. This mass isragged, without any form corresponding to an embryo, andhad the amnion been torn no doubt it would have fallen ou
. A study of the causes underlying the origin of human monsters : third contribution to the study of the pathology of human embryos . Fig. 130c.—Section through the amnion, cord and chorion. X 10 Fig. i3od.—Section through the attachment of the amnion and cord tothe chorion. X 10 times. IQ4 MALL. [Vol. XIX. urements are 10 x 4 mm., into which extends the umbilicalcord. At the end of the cord there is a mass of tissue mostlybroken down, the remains of the embryo. This mass isragged, without any form corresponding to an embryo, andhad the amnion been torn no doubt it would have fallen blood-vessels of the cord are gorged with nucleated bloodcells, but they do not extend into the embryo. The chorion isnormal in appearance. The umbilical vesicle (Fig. 130a) is pear-shaped and com-pletely closed. At no place is there a break to show its at-tachment to the cord. Although considerably macerated, thesections showed the. characteristic structure of an umbilicalvesicle. No. 132. Ovum, 42 x 30 mm.; embryo, C. R., 15 mm. Dr. Munson, Washington. This specimen was kindly sent me by Dr. Lamb, who hadobtained it from Dr. Munson. The woman from whom itwas obtained menstruated last be
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