. A junior course of practical zoology. Zoology. AETEEIAL SYSTEM 235 and behind the kidneys, is best seen by dissecting one of the kidneys from the body-wall and turning it inwards. The principal branches of the dorsal aorta are as follows. i. The subclavian arteries are a pair of vessels, which arise from the dorsal surface of the aorta between the third and fourth pairs of efferent branchial vessels, and run outwards. Fig. 52.—Scyllium eanicula. Transverse section passing through the posterior dorsal fin. (a. m. m.) A, horny fibre. B, fin-ray of the dorsal fin. C, myotomes. "D, neural s
. A junior course of practical zoology. Zoology. AETEEIAL SYSTEM 235 and behind the kidneys, is best seen by dissecting one of the kidneys from the body-wall and turning it inwards. The principal branches of the dorsal aorta are as follows. i. The subclavian arteries are a pair of vessels, which arise from the dorsal surface of the aorta between the third and fourth pairs of efferent branchial vessels, and run outwards. Fig. 52.—Scyllium eanicula. Transverse section passing through the posterior dorsal fin. (a. m. m.) A, horny fibre. B, fin-ray of the dorsal fin. C, myotomes. "D, neural spine. E, base of neural arch. F, notochord. Gr, calcified portion of centrum. H} haemal arch. 1, spinal cord. !K, lateral vein. Xj, caudal artery. M, caudal vein. and backwards in the body-wall and along the hinder border of the pectoral girdle to the pectoral fins, which they supply, ii. The coeliac artery is a large median vessel arising from the ventral surface of the aorta, about half an inch behind the openings of the last pair of efferent branchial vessels. It runs backwards in the mesentery close to the dorsal. 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 Marshall, A. Milnes (Arthur Milnes), 1852-1893; Hurst, C. Herbert (Charles Herbert), 1856?-1898, joint author. London, Smith, Elder
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1888
