. The elements of embryology . Embryology. X.] FORMATION OF THE LAYERS. 317 cells, a columnar epiblast and a layer of flattened hypo- blast. Fig. 97. Section throdsh the nearly Circular Embryonic Area of A Rabbit Ovum op Six Days. (From Allen Thomson, after E. van Beneden.) eat. upper layer; mes. middle layer; ent. true hypoblast. Fig. Section through the Blastoderm of a Eabbit on the Seventh Day : taken in front of the PRrmnvB Streak. Half of the area is represented. Towards the end of the sixth day the embryonic area of the rabbit, which has hitherto been round, be- comes oval. A diagra
. The elements of embryology . Embryology. X.] FORMATION OF THE LAYERS. 317 cells, a columnar epiblast and a layer of flattened hypo- blast. Fig. 97. Section throdsh the nearly Circular Embryonic Area of A Rabbit Ovum op Six Days. (From Allen Thomson, after E. van Beneden.) eat. upper layer; mes. middle layer; ent. true hypoblast. Fig. Section through the Blastoderm of a Eabbit on the Seventh Day : taken in front of the PRrmnvB Streak. Half of the area is represented. Towards the end of the sixth day the embryonic area of the rabbit, which has hitherto been round, be- comes oval. A diagrammatic view of the whole blastodermic vesicle at about the beginning of the seventh day is given in Fig. 99. The embryonic area is represented in white. The line ge in. ^ shows the extension of the hypoblast round the inside of the vesicle. The bias-. 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 ; New York : Macmillan
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Keywords: ., bookcentury1800, bookdecade1880, bookpubli, booksubjectembryology
