Graphic illustrations of abortion and the diseases of menstruation / Consisting of Twelve Plates from Drawings Engraved on Stone, and Coloured by Mr. J. Perry, and Two Copper-plates from the Philosophical Transactions, Coloured by the Same Artist. the Whole Representing Forty-five Specimens of Aborted Ova and Adventitious Productions of the Uterus, With Preliminary Observations, Explanations of the Figures and Remarks, Anatomical and Physiological.

by A. B. Granville

REMARKS.

The contrast between this and the preceding Ovum, fig. 17, cannot fail to strike my readers. In the present specimen we have the regular involucra of the Ovum thickened around its whole circumference; but the mossy or filiform vessels have disappeared inside and out, being converted, in the latter situation, into the placenta, and having become obliterated in the former. The placenta (the intervening means of affording accretion of substance to the fœtus by the mother) being once formed, the fœtus grew; but the placenta at last was stricken with disease, (the hydatids,) and this produced the dropsical swelling of the cord, which began to interrupt the growth, and lastly destroyed the life of the fœtus. In Ovum 17, circumstances are reversed. We have no regular placenta; the coriaceous envelopes cover the dropsical bulbs of the filiform vessels, and the growth of the fœtus is consequently checked at the first onset.