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Updated: May 9, 2025
After six weeks the glands were considerably enlarged, and after eight weeks they were caused to secrete milk by the injection of extract of the placenta. It has to be remembered, however, that the milk glands undergo considerable growth, especially in the human species, at puberty and at every menstruation, or at oestrus in animals, which correspond to menstruation.
It was noticeable in this case that a placenta was discharged a quarter of an hour after the first birth. Irvine relates an instance of thirty-two days' delay; and Pfau one of seven days'.
There could only be felt some nodules under the skin of the abdomen. What disturbances might not such an organism carry into the body of a parturient woman, after passing into the peritoneum, the lymphatics or the blood through the maternal placenta! Its presence is much more dangerous than that of the parasite arranged in chains. Apparently there is no puerperal parasite, properly speaking.
When placed on the stigma, under favourable circumstances, the pollen-grain puts forth a pollen-tube which grows down the tissue of the style to the ovary, and makes its way along the placenta, guided by projections or hairs, to the mouth of an ovule.
Again, the division into many small cells is often connected with a large and pithy placenta and unevenness in maturity and coloring, which faults often more than overbalance any advantage from small cells and thick flesh. The size and character of the placenta are important qualities.
The womb was partially inverted through the wound, and the placenta was still attached to the inverted portion. The wound in the uterus was Y-shaped. The mother died in one and a half hours from the reception of her injuries, but the child was uninjured. Scott mentions the instance of a woman thirty-four years old who was gored by an infuriated ox while in the ninth month of her eighth pregnancy.
He had delivered a woman by means of the forceps, and, after delivery, brought away what he thought a tumor. This "tumor" consisted of the uterus, with the placenta attached to the fundus, the funis, a portion of the lateral ligament, containing one ovary and about three inches of vagina. The uterus was not inverted.
The arrangement of the placenta differs in the different species. In the mare and sow, the villi are diffused. In ruminants, the villi are grouped at certain points. These vascular masses are termed cotyledons. The maternal cotyledons or "buttons" form appendages or thickened points that become greatly enlarged in the pregnant animal.
Shortly after, the placenta was expelled, and she proceeded on her journey, carrying the child in her arms. At 5.50 the physician saw the woman in bed, looking well and free from pain, but complaining of being cold. The child, which was her first, was healthy, well nourished, and normal, with the exception of a slight ecchymosis of the parietal bone on the left side.
But, exactly in those respects in which the developing Man differs from the Dog, he resembles the ape, which, like man, has a spheroidal yelk-sac and a discoidal sometimes partially lobed placenta.
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