. The elements of embryology. Embryology; Embryology. X.] BLASTODEEMIC VESICLE. 315 about 0'09 mm.—the size of the ovum at the close segmentation—to about 0"28 in diameter. It is en- closed by the zona radiata and the albuminous layer Fig. Eabbit's Ovum between 70—90 Hours after Impregnation. (After E. van Beneden.) hv. cavity of blastodermic vesicle (jolk-sac); ep. outer layer; hy. inner mass ; Zp. albuminous envelope. around it. The blastodermic vesicle continues to enlarge rapidly, and during the process the inner mass undergoes important changes. It spreads out on the inner side
. The elements of embryology. Embryology; Embryology. X.] BLASTODEEMIC VESICLE. 315 about 0'09 mm.—the size of the ovum at the close segmentation—to about 0"28 in diameter. It is en- closed by the zona radiata and the albuminous layer Fig. Eabbit's Ovum between 70—90 Hours after Impregnation. (After E. van Beneden.) hv. cavity of blastodermic vesicle (jolk-sac); ep. outer layer; hy. inner mass ; Zp. albuminous envelope. around it. The blastodermic vesicle continues to enlarge rapidly, and during the process the inner mass undergoes important changes. It spreads out on the inner side of the outer layer and at the same time loses its lens-like form and becomes flattened. The central. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Foster, M. (Michael), Sir, 1836-1907; Balfour, Francis M. (Francis Maitland), 1851-1882; Sedgwick, Adam, 1854-1913; Heape, Walter, 1855-1929. London : Macmillan and Co.
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Keywords: ., bookcentury1800, bookdecade1, booksubjectembryology, bookyear1883
