. The anatomical record. Anatomy; Anatomy. 220 G. CARL HUBER elongates rajiidly. It encloses in its free end, which is the antiniesometrial end, a solitl nodule of cells, which is here known as the ectodermal node, surrounded almost completely by vis- ceral entoderm, which layer extends to the base of the trager, enclosing the interamniotic cavity. Such as are not familiar with the egg cylinder of the guinea pig of this stage of develop- ment I would refer to figure 13, plate XII, of Selenka's studies, copied as figure 590 by O. Hertwig. In the series of figures given. Fig. 1 A lo E. A


. The anatomical record. Anatomy; Anatomy. 220 G. CARL HUBER elongates rajiidly. It encloses in its free end, which is the antiniesometrial end, a solitl nodule of cells, which is here known as the ectodermal node, surrounded almost completely by vis- ceral entoderm, which layer extends to the base of the trager, enclosing the interamniotic cavity. Such as are not familiar with the egg cylinder of the guinea pig of this stage of develop- ment I would refer to figure 13, plate XII, of Selenka's studies, copied as figure 590 by O. Hertwig. In the series of figures given. Fig. 1 A lo E. A, 10 days, IS hours stage of egg cylinder of the guinea pig with ectodermal node showing the very beginning of the amniotic cavity; B, 10 days, 18 hours stage, with ectodermal vesicle with small amniotic cavity; C, 11 days, 18 hours stage, with ectodermal vesicle and amniotic cavity; D, 11 days, 18 hours stage, with differentiation of wall of ectodermal vesicle into primary embryonic ectoderm and amniotic ectoderm; E, 10 days, 18 hours stage, final bilammelar stage. X 200. enl., entoderm; , embryonic ectoderm; , amiiidfic (???ivily: inn.(?<?(., amniotic ectoilerni. by me (fig. 1, A to E) covering the ectodermal node and vesicle stages, only the antimesometrial end of the egg cylinder is fig- lU'cd. The relations of the ])ortion of the egg cylinder here fig- ured (o Ihc enl ire egg cylinder of the respective stage, may I'eadily be ascertained by comparing this series of figures Avith those gi\-en by Sclenka, to Avhich reference has been 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 Bardeen, Charles Russell, 1871-1935, ed; Boyden, Edward A. (Edward Allen), 1886-1976; Bremer, John Lewis, 1874- ed; Hardesty, Irving, b. 1866, ed; American Association of Anatomists; American Society of Zool


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectanatomy, bookyear1906