. The anatomical record. Anatomy; Anatomy. B ^ —- -I- e Fig. 11 A to F. Drawings of representative cross sections of an embryonic shield of the guinea pig removed 14 da^-s and 7 hours after insemination. The entire series embraces 327 sections having .5 m thickness; neural groove in cephalic portion of embryonic shield; as yet no somites; final stage of chordal plate. X 200. X. -12nd section, just caudal to foregut, chordal plate with entoderm ex- tending beneath; B, 67th section, flattened chordal plate with entoderm extend- ing under the borders of the chordal plate; C, 123d section, flatten
. The anatomical record. Anatomy; Anatomy. B ^ —- -I- e Fig. 11 A to F. Drawings of representative cross sections of an embryonic shield of the guinea pig removed 14 da^-s and 7 hours after insemination. The entire series embraces 327 sections having .5 m thickness; neural groove in cephalic portion of embryonic shield; as yet no somites; final stage of chordal plate. X 200. X. -12nd section, just caudal to foregut, chordal plate with entoderm ex- tending beneath; B, 67th section, flattened chordal plate with entoderm extend- ing under the borders of the chordal plate; C, 123d section, flattened chordal plate beginning to fuse with the ectoderm; D, 223d section, relativeh" wide and slightly arched chordal plate incorporated into the entoderm; E. 234th section, approaches primitive node region, chordal plate beginning to fuse with ectoderm; F. section, just cephalad to border of primitive node. region. The narrow ventral cleft extends through the entoderm, the edges of the cleft entoderm passing beneath the borders of the ventrally open chordal canal. Throughout this series the chor- dal plate is only in part incorporated in the entoderm. In figure. 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 Zoologists; Wistar Institute of Anatomy and Biology. [New York, etc. ] A. R. Liss [etc. ]
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectanatomy, bookyear1906
