. On the theory and practice of midwifery . externally with small cylindrical hollow villi. The embryo itself is twolines long. It is plainly surrounded by an amnion which lies loosely, butstill pretty closely about it, and obviously proceeds from the abdominallaminae. The embryo is curved, and presents anterior cerebral vesiclesor hemispheres, pretty well developed (figured rather large in figs. 53, 54,)and considerable corpora quadrigemina immediately behind them; thereis the distinct appearance of an eye, and a rounded offset from the me-dulla oblongata, indicates the acoustic vesicle; seve


. On the theory and practice of midwifery . externally with small cylindrical hollow villi. The embryo itself is twolines long. It is plainly surrounded by an amnion which lies loosely, butstill pretty closely about it, and obviously proceeds from the abdominallaminae. The embryo is curved, and presents anterior cerebral vesiclesor hemispheres, pretty well developed (figured rather large in figs. 53, 54,)and considerable corpora quadrigemina immediately behind them; thereis the distinct appearance of an eye, and a rounded offset from the me-dulla oblongata, indicates the acoustic vesicle; several bronchial arteriesand fissures are also conspicuous, the last of them, however, not com-pletely formed. The oval aperture is just above the upper bronchial fis-sure. The anterior and posterior extremities are curved leaf-like processes,still of very small dimensions. The abdomen is yet an open cleft, inwhich, but projecting beyond it, is the heart, of very large relative di-mensions, and consisting of a simple atrium or auricle, and ve


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Keywords: ., book, bookcentury1800, booksubjectmidwifery, booksubjectpregnancy