A system of obstetrics . Fig. 127.—(From Allen Thomson.) Sketch of Human Embryo of the Tenth Week, showing the coilof intestine in the umbilical cord. The amnion and chorion have been opened and the embryopulled aside from them, v, umbilical vesicle, connected with the intestine, i, by a narrowcord. The smaller figure shows the proximal portion of the umbilical cord more magni-fied: i, intestine; vi, vitello-lntestinal duet. Fig. 128.—(From Balfour, after GStte.) Diagram of Part of the Digestive Tract of a Chick Embryoof the Fourth Day. The black line indicates hypoblast: the shaded portion, m
A system of obstetrics . Fig. 127.—(From Allen Thomson.) Sketch of Human Embryo of the Tenth Week, showing the coilof intestine in the umbilical cord. The amnion and chorion have been opened and the embryopulled aside from them, v, umbilical vesicle, connected with the intestine, i, by a narrowcord. The smaller figure shows the proximal portion of the umbilical cord more magni-fied: i, intestine; vi, vitello-lntestinal duet. Fig. 128.—(From Balfour, after GStte.) Diagram of Part of the Digestive Tract of a Chick Embryoof the Fourth Day. The black line indicates hypoblast: the shaded portion, mesoblast of theBplanchnopleure; hi. rudiment of lung; St, stomach: I, liver: p, pancreas. rise to the true hepatic cells. The relation of the allantoic (umbilical), 190 DEVELOPMENT OF THE EMBRYO. vitelline, and mesenteric veins to the developing liver has been alreadydescribed (p. 180). The Development of the Pancreas is essentially like that of the originates a little more posteriorly on the primitive duode
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectobstetrics, bookyear1
