. Text book of vertebrate zoology. Vertebrates; Anatomy, Comparative. â ^ * V â ,. Fig. 128. A single tubule of the mesonephros of Proteus anguineits modified from Spengel. C, begin- ning of collecting tubule; B, Bow- man's capsule ; C, glomerulus; /, ON, inner and outer nephros - tomes. Fig. 129. Section through the meso- nephric region of Amblystoma, 45 mm. long. A, aorta ; B, Bowman's capsule, from which the glomerulus has dropped out; C, carti- lage, and P, bone of vertebral centrum ; C, gonad; GL, glomerulus; J/, mesentery; MA, mesenteric artery; N, notochord; T, mesonephric tubules; W, W
. Text book of vertebrate zoology. Vertebrates; Anatomy, Comparative. â ^ * V â ,. Fig. 128. A single tubule of the mesonephros of Proteus anguineits modified from Spengel. C, begin- ning of collecting tubule; B, Bow- man's capsule ; C, glomerulus; /, ON, inner and outer nephros - tomes. Fig. 129. Section through the meso- nephric region of Amblystoma, 45 mm. long. A, aorta ; B, Bowman's capsule, from which the glomerulus has dropped out; C, carti- lage, and P, bone of vertebral centrum ; C, gonad; GL, glomerulus; J/, mesentery; MA, mesenteric artery; N, notochord; T, mesonephric tubules; W, WolflSan duct. separated by a greater or less distance from the Wolffian body, which usually extends along the greater part of the dorsal waJl of the body cavity. The pronephros acquires a varjing development in different vertebrates. In the elasmobranchs its tubules never become convoluted, and in very early embryonic life the nephrostomes fuse so that a single large opening connects the ccelom with the pronephric duct, and forms the anterior end of the Miillerian. 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. New York, H. Holt and Company
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