. On the anatomy of vertebrates. Vertebrates; Anatomy, Comparative; 1866. Malpigliian body, ^'e\vt. ccLX\xyi. meters, the part where the 356 I®^"^''i4. MiiUiitfliiau h^>lly, Fro;?, cxxxvii. ' CXXXVII. forms a few coils, again contracts, and becomes the efferent vessel.' In the Frog the kidneys present a more comjoact form; they are flattened, suhelongate, with a convex outer border and a nearly straight inner one, fig. 331, K, k. They are situated at the pelvic end of the abdominal cavity behind the rectum and allantoid bladder: the peritoneum covering only their sternal surface. The
. On the anatomy of vertebrates. Vertebrates; Anatomy, Comparative; 1866. Malpigliian body, ^'e\vt. ccLX\xyi. meters, the part where the 356 I®^"^''i4. MiiUiitfliiau h^>lly, Fro;?, cxxxvii. ' CXXXVII. forms a few coils, again contracts, and becomes the efferent vessel.' In the Frog the kidneys present a more comjoact form; they are flattened, suhelongate, with a convex outer border and a nearly straight inner one, fig. 331, K, k. They are situated at the pelvic end of the abdominal cavity behind the rectum and allantoid bladder: the peritoneum covering only their sternal surface. The renal capillaries, derived from the renijjortal vein, ib. K, ramify through the gland to reach the Malpighian capsule, fig. 356, f: in the specimen figured, by Bowman,^ under the magnifying power of 320 dia- capillaries enter (near t) is obscured by an uriniferous tube. On enter- ing, the capillary enlarges and forms a few coils, m, which lie bare in the capsular cavity. The lemma begins to receive an epi- tlielial lining at f, f, which increases in thickness to the neck of the tubule, d, d, and is covered by cilia: these may maintain their motions hours after the death of the Frog. The urini- ferous tubules form by succes- sive unions the ureter, which opens into the urogenital com- partment of the cloaca, opposite the orifice of the large bifid al- lantoid bladder, the contents of which are mainly water. In Serpents the kidneys, fig. 357, t, t, partake of the usual elongated form of the viscera, and are subdivided into numerous ilattcned, overlapping lobes, so as readily to accommodate them- selves to the flcxuositics of tlie part of tlic trunk in which they â 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 Owen, Richard, 1804-1892; Cornell University. College of Veterinary Medicine. Flower-Spreche
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