. The anatomy of the frog. Frogs -- Anatomy; Amphibians -- Anatomy. THE URINARY ORGANS. Fisr. 216. 333. 1 The blood-vessels and lymiihatic» of the G. II. I. Transverse vertical section through kidney. Venoiis system blue ; ai-teries red (Hartnaok, Oc. I, Syst. 3). II. Part of a horizontal section tlirough kidney. Venous system blue ; arteries red (Hartnack, Oe. I, Syst. 3). III. Part of a transverse vertical section througli kidney ; lymphatics blue (Hartnack, Oc. I, Syst. 7). A Ventral surface. B Dorsal surface. C Two arterial twigs uniting before entering the Maliiighian body. /3. T
. The anatomy of the frog. Frogs -- Anatomy; Amphibians -- Anatomy. THE URINARY ORGANS. Fisr. 216. 333. 1 The blood-vessels and lymiihatic» of the G. II. I. Transverse vertical section through kidney. Venoiis system blue ; ai-teries red (Hartnaok, Oc. I, Syst. 3). II. Part of a horizontal section tlirough kidney. Venous system blue ; arteries red (Hartnack, Oe. I, Syst. 3). III. Part of a transverse vertical section througli kidney ; lymphatics blue (Hartnack, Oc. I, Syst. 7). A Ventral surface. B Dorsal surface. C Two arterial twigs uniting before entering the Maliiighian body. /3. The renal veins (p. 247) form a coarse plexus on the A-entral surface of the kidney, from this numerous large branches (Fig-. 216 I) course upwards and outwards. The venous system between the renal portal veins on the dorsal surface, and the renal veins on the ventral surface, are so large that they can scarcely be named caj)illaries (Hyrtl). y. The renal arteries (p. 233) are distributed to the ventral surface of the kidney ; their mode of distribution varies in different parts of the organ. A simple arrangement is that shown in Fig. 216 I, where a branch traverses the breadth of the kidney and gives off branches to the Malpighian corpuscles ; in one case (C). 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 Ecker, Alexander, 1816-1887; Haslam, George. Oxford, Clarendon Press
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