...function. Allantoic Nutrition. — The period of allantoic nutrition covers the space of two months, or until the formation of the placenta at the end of the third month. The allantois, being intimately connected with the chorion, receives the nutritious substance absorbed...

...very rudimentary in man. As the yelk-sac disappears by degrees, its place is taken by the allantoi*. The latter then serves as a medium of nutrition and...allantois and false amnion. Upon the surface of the choriou are numerous villi. At first they are uniform in size, but at the latter half of the first...

...very rudimentary in man. As the yelk-sac disappears by degrees, its place is taken by the allantois. The latter then serves as a medium of nutrition and...ovum subsequent to the appearance of the amnion. It result* from the fusion of the allantois and false amnion. Upon the surface of the chorion are numerous...

...finding a portion of the ovum in the blood clot. (Incomplete abortion or miscarriage is more common after the formation of the placenta at the end of the third month.) In these cases one of two things happens. The uterus will eventually expel the rest of the ovum. But...

...finding a portion of the ovum in the blood clot. Incomplete abortion or miscarriage is more common after the formation of the placenta at the end of the third month. In these cases one of two things happens. The uterus will eventually expel the rest of the ovum. But...

...finding a portion of the ovum in the blood clot. Incomplete abortion or miscarriage is more common after the formation of the placenta at the end of the third month. In these cases one of two things happens. The uterus will eventually expel the rest of the ovum. But...