The practice of obstetrics, designed for the use of students and practitioners of medicine . dhesion Ex-tending FROM THE Scalp to the EdgeOP THE Placenta, and Twisted AroundTHE Umbilical Cord. The Fetus HasA Double Hare-lip.—(Winckel.) Fig. 242. — Normal and PathologicalAmnion Epithelia. I, Normal amnionepithelia; II, amnion epithelia in hy-dramnios; III, the same with giant cell.—{Ahlfeld.) bands of plastic exudation are formed, which connect the fetus and the amniotic cavity grows, these bands are stretched, and they m^ay connect different parts of thefetus, or one or both ends-may
The practice of obstetrics, designed for the use of students and practitioners of medicine . dhesion Ex-tending FROM THE Scalp to the EdgeOP THE Placenta, and Twisted AroundTHE Umbilical Cord. The Fetus HasA Double Hare-lip.—(Winckel.) Fig. 242. — Normal and PathologicalAmnion Epithelia. I, Normal amnionepithelia; II, amnion epithelia in hy-dramnios; III, the same with giant cell.—{Ahlfeld.) bands of plastic exudation are formed, which connect the fetus and the amniotic cavity grows, these bands are stretched, and they m^ay connect different parts of thefetus, or one or both ends-may freely float in thesurrounding are no blood-vessels in these times they preventthe normal arching overof the body-cavities, andeventration, anenceph-alus, or some other ano-maly of non-union re-sults. Spontaneous orintrauterine amputa-tions not infrequentlyfollow amniotitis; thebands may wrap arounda limb, and so constrict its blood-supply that its further development is impossi-ble; and there is either perfect separation, or the part, hindered in its growth^. Fig. 243.—-Amputation of Arm by Amniotic Adhesions. ANOMALIES OF THE AMNION AND LIQUOR AM Nil. 2oa atrophies. If the Hmb is completely amputated, and this has happened beforethe third month of pregnancy, there will probably be entire absorption of themember before birth. If later than this period, the amputated part may beextruded in labor after the birth of the child. The idea that the umbilical cordproduces amputations is erroneous, for the cord itself would be so compressedin such a case that its circulation would be interfered with, and the childwould die of asphyxia. 2. Abnormal Tenuity.—In the latter part of gestation, on account of abnormal tenuity or thinness, the amnion mayrupture and become separated fromthe chorion. The latter remains in-tact, while the amnion is rolled on it-self, forming cords or bands, whichmay wind around the fetus, or be-come so entangled with the umbilical
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectobstetrics, bookyear1
