...and a consequence, not a cause, of the death of the embryo ; that in the hydatidiform mole we have not a new formation, but simply an alteration and degeneration of previously existing structures arrested in their development, this arrest of development taking place simultaneously with the death...

...essential anatomical character of the change is far nearer the truth. In the hydatidiform mole we have, not a new formation, but simply an alteration and degeneration of previously existing structures. What are the circumstances which determine this pathological alteration? Universally, the transformation...

...Mettenheimer and Paget, and considers that the bladder-like enlargements are merely altered chorion villi ; not a new formation, but simply an alteration and degeneration of previously existing structures. He contends that the generally received opinion as to its mode of origin is incorrect, and that the...

...Mettenheimer and Paget, and considers that the bladder-like enlargements are merely altered chorion villi ; not a new formation, but simply an alteration and degeneration of previously existing structures. He contends that the generally received opinion as to its mode of origin is incorrect, and that the...

...to, and a consequence, not a cause, of the death of the embryo; that in the hydatidiform mole we have not a new formation, but simply an alteration and degeneration of previously existing structures arrested in their development, this arrest of development taking place simultaneously with the death...

...by Mettenheimer. The conclusion which must be formed is then that in the hydatidiform mole we have not a new formation, but simply an alteration and degeneration of previously existing structures. We have next to inquire, What are the circumstances which determine the pathological alteration now...

...from the villi of the chorion. It is also admitted that in this, as in the fleshy mole, we have no new formation, but simply an alteration and degeneration of previously existing structures. But when we come to consider the pathological process by which this alteration is effected, we find...

...on ad infinitum. 2, Graily Hewett, on the other hand, holds that "in the hydatidiform mole we have not a new formation, but simply an alteration and degeneration of previously existing structures ;" that this transformation takes place irrespective of the nucleated epithelium-cells, which cover...