The practice of obstetrics, designed for the use of students and practitioners of medicine . tedfrom the epidermis, which is continuous with the epithelial layer of the amnion and chor-ion. At this level amnion and chorion have not separated and the folds forming themhave not yet quite united. The notochord {Ch) is separated from the entoderm {Ent).The primitive segments {Seg) are hollow. The body-cavity, Coe., is continuous with theextraembryonic cavity. There are still two aortae, Ao.; Cho., chorion; Am., amnion;Som., somatopleure; Spl., splanchnopleure,—{After Minot.) is to form skin with t
The practice of obstetrics, designed for the use of students and practitioners of medicine . tedfrom the epidermis, which is continuous with the epithelial layer of the amnion and chor-ion. At this level amnion and chorion have not separated and the folds forming themhave not yet quite united. The notochord {Ch) is separated from the entoderm {Ent).The primitive segments {Seg) are hollow. The body-cavity, Coe., is continuous with theextraembryonic cavity. There are still two aortae, Ao.; Cho., chorion; Am., amnion;Som., somatopleure; Spl., splanchnopleure,—{After Minot.) is to form skin with that which is to form the neural tube, there is a thicken-ing of ectoderm which, in the form of a cord, becomes free from its attachmentto the former. These cords come to lie on both sides of the neural tube and 56 PHYSIOLOGICAL PREGNANCY. give rise to the nervous ganglia and to the sensory roots of the nerves, andalso finally to the sympathetic system. Before the closure of the tube is com-plete two pockets arise from it on the two sides near the cephalic end. These ;^
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectobstetrics, bookyear1
