Two males and one female were born dead, being attached to the same placenta; the others were united to a common placenta and lived three days.
The bones seemed better developed than ordinarily; the skin was thick, callous, and yellowish The chorion, amnion, and placenta were ossified and the cord dried up.
Guerrant gives a unique example of normal birth at full term in which the placenta was found in the vagina, but not a vestige of the membranes was noticed.
The storing up of poisons in the placenta is not so general as the accumulation of them in the liver of the mother.
The placenta weighed 4 pounds, and there was an ordinary pailful of liquor amnii.
The right arm of the fetus protruded; the wound was enlarged and the fetus and placenta delivered.
It was decided to open the abdominal cyst; the incision was followed by a gush of blood and a placenta came into view, which was extracted with a living child.
The placenta was single and the cord consisted of two branches.
It was impossible to remove the needle, and the placenta was not expelled for two days.
He found her in a log cabin, with a centrally implantedplacenta (i.
Again, the placental site is raised, it feels rough, and the furrows in it lead one to think part of the placenta is still adherent, whereas all has been removed.
Hirst, however, says he has been obliged to empty the uterus at the fifth month for placenta praevia.
The third stage lasts from the delivery of the child until after the expulsion of the placenta and membranes and the retraction of the uterus has ended--the period of the afterbirth.
When the placenta praevia is marginal to the cervix or lateral in the uterus the child has a better chance when a colpeurynter, or inflatable rubber bag, is inserted in the cervix as a plug.
Placenta praevia is a development of the placenta in that part of the uterus which dilates at the end of gestation or during delivery.
The virus passes through the fetal placenta to the mother, although immunizing substances are held back by the placenta.
Abruptio placentae is a tearing loose of a placenta which is situated in the normal position, not abnormally as in placenta praevia.
In Araucaria the cone-scale is regarded as consisting of a flat carpel, of which the placenta has not grown out into the scale-like structure.
The tubal placenta possesses foetal structures, the true decidua forming in the uterus.
Discoidal by derivation; -- applied especially to the placenta of man and apes, because it is supposed to have been derived from a diffused placenta.
In these no placentais formed, and the young, which are born at an early state of development, are carried for a time attached to the teats, and usually protected by a marsupial pouch.
Having the villi of the placentacollected into definite patches, or cotyledons.
Therefore, I think that the placentashould no longer be called a uterine liver, but rather a uterine lung.
The building up of the placenta by the mother, and the due performance of function by that great and wonderful extemporised organ, require certain favouring conditions, which have been never unperceived by the common sense of mankind.
Hence, while the placentaof the Dog is like a girdle, that of Man has the cake-like form, indicated by the name of the organ.
It is attached to the placenta by the funicle f, cellular prolongations from which form an aril a a.
This is seen in the passion-flower, where the covering arises from the placenta or extremity of the funicle at the base of the ovule and passes upwards towards the apex, leaving the micropyle uncovered.
The placenta consists of two very different parts, the foetal and the maternal part.
On the other hand, the foetal placentais formed by innumerable branching tufts or villi, which grow out of the outer surface of the allantois, and derive their blood from the umbilical vessels.
It is sufficient to glance at the zonary placenta of dogs and seals to be convinced of the relationship of these two species which at first sight seem so different.
From theplacenta there is also reflected a membrane over the ovum, so as to give it additional protection.
The umbilical cord consists of two arteries and one vein embedded in a gelatin like substance and enveloped by a membrane, and it is through the umbilical cord that the blood from the placenta is brought to and carried from the fetus.
The blood from the placenta also furnishes the fetal blood with oxygen, so that the fetus breathes by the aid of the placenta, and not through its own lungs.
The stomach is simple or somewhat complex, and the placenta diffused.
Modification of placenta from simple diffused to cotyledonary form.
Before this time, the blood has passed to and from the placenta through the cord but now this is stopped.
This sac is formed partly of the placenta and partly of the membrane; the side of the placenta opposite to the child being attached to the womb.
The blood vessels of the placenta unite to form two veins and one artery which lie very close to each other and are surrounded by a membrane.
This placenta consists of fatty tissue surrounding a great many little blood vessels.
To do this, it must pass through the walls of the blood vessels, as the vessels of the mother and those of the placenta are not directly united.
If we could look into the womb just before the time of labor we would find the foetus attached by the cord to the placenta and floating in a sac of water.
It now is not directly attached to the lining of the womb but is attached by means of the cord to the placenta or afterbirth which has been forming slowly.
Some practitioners adapt the bandage themselves, and apply it immediately after the placenta has been removed.
After having examined the uterus through the parietes of the abdomen, we must make an internal examination, more perfectly to assure ourselves in what way the placenta is disposed of.
The removal of the placenta from the vagina is easily effected.
As it is probable that under these pains the placenta may have somewhat descended, another examination may then be made per vaginam to satisfy ourselves on this point, &c.
After the birth of the baby there will be further uterine contractions and the placenta will be separated from the uterine wall and expelled.
DO NOT pull on cord, let the placenta (afterbirth) come naturally.
As soon as the baby is born the "second stage of labor" has passed and within thirty to fifty minutes the close of the third stage of labor is marked by the passage of the placenta or "afterbirth.
Surely a tendency-to-amputation is not carried over from mother's blood to baby's blood through the membrane in the placenta just as are the gases for respiration and the nutrient elements for food.
The production opposite the placentae necessarily divides the ovula of one placenta into two parcels, and these are they that have no adhesion with the axis.
The entire absence during gestation of any trace of the placenta in certain animals, notably the salamander.
The mechanical difficulties opposing direct nutrition through the placenta, and the impossibility of nourishment by this method during the early stages of embryonic life previous to the formation of the placenta or umbilical vesicle.
When the child is born, the severing of the umbilical cord allows the placenta to remain behind in the uterine cavity, whence it is usually expelled shortly afterwards.
The connection between this structure, the placenta and the embryo, is constituted by means of the umbilical cord.
After the third month the embryo is nourished by the placenta itself, which is at this stage developed.
From the placenta the embryo derives those food elements at first provided by the secretion of the uterine glands.
In the various orders of mammals the placenta undergoes many modifications, and these are in part of great evolutionary importance and useful in classification.
There is a great phylogenetic significance in the perfect agreement which we find between man and the anthropoid apes in these important features of embryonic circulation, and the special construction of the placenta and the umbilical cord.
This placenta of the shark was looked upon as legendary for a long time, until Johannes Muller proved it to be a fact in 1839.
The latter then disappear, and the right umbilical vein goes with them, so that henceforth a single large vein, the left umbilical vein, conducts all the blood from the placenta to the heart of the embryo.
The embryo has been taken out, and the limbs folded together; it is still connected by the umbilical cord with the centre of the circular placenta which is attached to the inside of the womb.
We find only in the anthropoid apes--the gibbon and orang of Asia and the chimpanzee and gorilla of Africa--the peculiar and elaborate formation of the placenta that characterises man (Figure 1.
At first the villi cover the whole surface, but they afterwards disappear from the greater part of it; they then develop with proportionately greater vigour at a spot where the placenta is formed from the allantois.
The embryo (a month old) hangs in the middle of the amniotic cavity by the ventral pedicle or umbilical cord, which connects it with the placenta (above).
See also Placenta Afterbirths buried in banana groves, i.
The object which these writers take to represent a human placentais interpreted by M.
Afterbirth or placenta regarded as a person's double or twin, ii.
Procure the placenta of a calf when it is born and observe the form of the cotyledons, if their cotyledons are male or female.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "placenta" in a variety of sentences. We hope that you will now be able to make sentences using this word.
