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Updated: June 15, 2025
Even after the infant is born the umbilical cord extends from its navel to the placenta, just as it has done throughout pregnancy. Among larger mammals separation of the new-born from the mother is brought about in one of two ways; sometimes the activity of the young breaks the navel-string, though more frequently the mother bites it in two.
This lax method of caring for the infant, the neglect to dress the cord, and the unsanitary condition of the dwellings, make it extremely probable that the infection was through the umbilical cord. All cases in which treatment was properly carried out by competent nurses have survived.
The Umbilical Cord, attached to the body of the child at the navel, is cut at birth, and with the Placenta is expelled from the womb soon after the child has been born. Together with the Placenta it forms a shapeless mass, familiarly known as the "afterbirth," and when it is retained instead of being expelled is apt to cause serious trouble.
Those who wish to nurse and look after their children can, of course, do so; and those who do not wish to, can probably find some enthusiast who will with pleasure relieve them of the burden of humanity to which they have certainly given life, but which concerns them no more from the moment when the umbilical cord between mother and child is severed.
The placenta has two surfaces, easily distinguished from each other. The raw maternal surface was formerly attached to the inside of the uterus; the fetal surface, covered by the amniotic membrane, was in contact with the amniotic fluid. Across the fetal surface run a number of blood-vessels containing the child's blood, converging toward a central point at which the umbilical cord is inserted.
The remains of the yelk, which have not yet been applied to the nutrition and growth of the young animal, are contained in a sac attached to the rudimentary intestine, and termed the yelk sac, or 'umbilical vesicle. Two membranous bags, intended to subserve respectively the protection and nutrition of the young creature, have been developed from the skin and from the under and hinder surface of the body; the former, the so-called 'amnion, is a sac filled with fluid, which invests the whole body of the embryo, and plays the part of a sort of water-bed for it; the other, termed the 'allantois, grows out, loaded with blood-vessels, from the ventral region, and eventually applying itself to the walls of the cavity, in which the developing organism is contained, enables these vessels to become the channel by which the stream of nutriment, required to supply the wants of the offspring, is furnished to it by the parent.
She fell into a most sickly condition and remained so for eighteen months, when the pains returned again, but soon ceased. Menstruation ceased and the milk in her breasts remained for thirty years. She died at sixty-one of peripneumonia, and on postmortem examination a tumor was found occupying part of the hypogastric and umbilical regions.
The blood returns from the intestines of the foetus, not through the liver, but into the umbilical vein mentioned, and flows at once into the heart, mingled with the natural blood which is returning from the placenta; whence also it is that in the development of the foetus the liver is one of the organs that is last formed.
In terms of this illustration, the water corresponds to the mother's blood, rich in oxygen, mineral matter, and all other kinds of essential nutriment; and the fingers are the villi. The blood-vessels in the fingers, to go a step farther, represent the blood-vessels which exist within the villi, connecting with the umbilical cord, and passing by that route to the body of the child.
The pages thus written are to him burning and fragrant; he reads them on his knees by midnight and by the morning star; he wets them with his tears; they are sacred; too good for the world, and hardly yet to be shown to the dearest friend. This is the man-child that is born to the soul, and her life still circulates in the babe. The umbilical cord has not yet been cut.
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