. The elements of Embryology. Embryology. bout 0'09 mm.—the size of the ovum at the close jgmentation—to about 0'28 in diameter. It is en- osed by the zona radiata and the albuminous layer Fig. 96. :.] BLASTODERMIC VESICLE. 315. bAbbit's Ovum between 70—90 Hours after Impregnation. (After E. van Beneden.) V. cavity of blastodermic vesicle (yolk-sac); ep. outer layer; hy. inner mass ; Zp. albuminous envelope. mound it. The blastodermic vesicle continues to nlarge rapidly, and during the j)rocess the inner mass mdergoes important changes. It spreads out on the nner side of the outer layer and at


. The elements of Embryology. Embryology. bout 0'09 mm.—the size of the ovum at the close jgmentation—to about 0'28 in diameter. It is en- osed by the zona radiata and the albuminous layer Fig. 96. :.] BLASTODERMIC VESICLE. 315. bAbbit's Ovum between 70—90 Hours after Impregnation. (After E. van Beneden.) V. cavity of blastodermic vesicle (yolk-sac); ep. outer layer; hy. inner mass ; Zp. albuminous envelope. mound it. The blastodermic vesicle continues to nlarge rapidly, and during the j)rocess the inner mass mdergoes important changes. It spreads out on the nner side of the outer layer and at the same time loses ts 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. London, MacMillan


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Keywords: ., bookautho, bookcentury1800, bookdecade1880, booksubjectembryology