A textbook of obstetrics . Fig. 103.—Entanglement ofcords in twins (Winckel).. 104.—Velamentous insertion ofcord. or chorion that would prevent the vessels following or comply-ing with the rotation of the embryo, they would naturally enterthe membranes opposite the abdominal face of the embryo, or atthat point where adhesions arrested their movements. The blood-vessels thus exposed are liable to laceration during labor, usu-ally with a fatal result to the fetus unless delivery is quicklyeffected. Umbilical Hernia.—Occasionally children are born with agreater or less portion of the abdominal co
A textbook of obstetrics . Fig. 103.—Entanglement ofcords in twins (Winckel).. 104.—Velamentous insertion ofcord. or chorion that would prevent the vessels following or comply-ing with the rotation of the embryo, they would naturally enterthe membranes opposite the abdominal face of the embryo, or atthat point where adhesions arrested their movements. The blood-vessels thus exposed are liable to laceration during labor, usu-ally with a fatal result to the fetus unless delivery is quicklyeffected. Umbilical Hernia.—Occasionally children are born with agreater or less portion of the abdominal contents protruding intothe umbilical cord and covered by nothing but the distended andattenuated amnion. There has been an arrest of development in n8 PREGNANCY. the abdominal walls, preventing the completion of the arching-over process by which the abdominal cavity is closed. Cysts of the Cord.—Cystic formations in the cord are dueeither to an abnormally fluid condition of the mucous tissue orelse t i .1 collection of serum in the pedicle of the allantois, whichin hor
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Keywords: ., bookcentury1800, bookdecade1890, bookidtex, booksubjectobstetrics
