. Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates -- Anatomy. FIG. 134.—Myotomes of Amblystoma developing into muscle fibres, ec, ectoderm; my, myocoele; ms, mesenchyme; so, somatic layer which will form corium. (fig. 134), each becoming multinucleate. Gradually the mass of the protoplasm becomes converted into contractile substance and the cell is converted into a muscle fibre, the nuclei being in the interior in the lower vertebrates, on the surface of the fibres in the mammals. In this way the splanchnic wall of each myotome is converted into a muscle;. V FIG. 135.—Dia
. Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates -- Anatomy. FIG. 134.—Myotomes of Amblystoma developing into muscle fibres, ec, ectoderm; my, myocoele; ms, mesenchyme; so, somatic layer which will form corium. (fig. 134), each becoming multinucleate. Gradually the mass of the protoplasm becomes converted into contractile substance and the cell is converted into a muscle fibre, the nuclei being in the interior in the lower vertebrates, on the surface of the fibres in the mammals. In this way the splanchnic wall of each myotome is converted into a muscle;. V FIG. 135.—Diagram of descending myotomes. c, ccelom; g, gonad; m, splanchnic wall of myotome developing into muscles; me, myoccele; p, peritoneum; pd, pronephric duct; so, somatic wall of myotome; v, ventral border of myotome. hence there are as many pairs of these primitive muscles as there were of myotomes. The somatic wall of the myotome does not participate in the muscle formation, but is gradually changed into mesenchyme and eventually gives rise to the corium of the skin. Mesenchyme also invades the spaces between the successive myotomes, develops into. 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 Kingsley, J. S. (John Sterling), 1854-1929. Philadelphia, P. Blakiston's son & co.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1912
