. The anatomical record. Anatomy; Anatomy. 44 Proceedings of the Association of American Anatomists earlier stages was still somewhat flattened, has now become nearly circular in cross section. In slightly older embryos ( mm., Xo. 756, and mm., No. 429,) conditions are nearly the same as in the mm. specimen, but in both of these series the flexures of tlie notochord are very distinct and regular, as shown in Fig. 1. They make a series of rounded waves; the dorsal. Fig. 1. Pig, mm. Sagittal series 429, median section reconstructed from the actual sections, S9-102. notochord
. The anatomical record. Anatomy; Anatomy. 44 Proceedings of the Association of American Anatomists earlier stages was still somewhat flattened, has now become nearly circular in cross section. In slightly older embryos ( mm., Xo. 756, and mm., No. 429,) conditions are nearly the same as in the mm. specimen, but in both of these series the flexures of tlie notochord are very distinct and regular, as shown in Fig. 1. They make a series of rounded waves; the dorsal. Fig. 1. Pig, mm. Sagittal series 429, median section reconstructed from the actual sections, S9-102. notochord; Sp. c. cavity of the spinal cord, bounded by thin median walls; Ao., main dorsal aorta. sum III it of cacli wave corresponds to an area of lighter mesenchyma; the ventral depressions are each lodged in condensed mesenchyma, and each patch of condensed mesenchyma is continued a little distance below the notochord by bands of smaller condensed tissue which unite with the mesenchyma specialized around tlie two adjacent depressions or ventrad curves of the 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
