. A junior course of practical zoology. Zoology. AETERIAL SYSTEM 227 a. The cardiac aorta is a direct continuation forwards of the conus arteriosus. It is a median vessel, lying beneath the floor of the mouth and pharynx, and deeply placed in the muscles of the under surface of the head. It is a little more than an. F G. 39.—Scyllium canicula. Dissection of the arterial system from the ventral surface. The floor of the mouth has been cut through close to the median plane, and the light half turned outwards. (c. H .H.) A, nostril. ATT, anilcle, B, rigbt orbit. BA, cat end of hindmost branchial
. A junior course of practical zoology. Zoology. AETERIAL SYSTEM 227 a. The cardiac aorta is a direct continuation forwards of the conus arteriosus. It is a median vessel, lying beneath the floor of the mouth and pharynx, and deeply placed in the muscles of the under surface of the head. It is a little more than an. F G. 39.—Scyllium canicula. Dissection of the arterial system from the ventral surface. The floor of the mouth has been cut through close to the median plane, and the light half turned outwards. (c. H .H.) A, nostril. ATT, anilcle, B, rigbt orbit. BA, cat end of hindmost branchial artery of the right side. B Al, first branchial artery of the left side. B AS, fifth branchial artery of the leftside. ^ .BS, first efferent branchial trunk, or epibranohial artery, of the right side. BF, fourth efEerent branchial trunk, or epibranchial artery, of the right side. C, caiotid artery. CA, oardiao aorta. D, the fifth or trigeminal nerre. DA, dorsal aorta. S, external carotid artery. F, internal carotid artery at the point where it enters the cranial cavity. G^, the hindmost of the efferent branchial vessels. H, spiracle. I, efferent branchial loop of the first branchial cleft. E, subclavian artery. Ml, first branchial cleft of the right side. , fifth branchial cleft of ths right side. IQ", longitudinal hypo-branchial artery. O, cdnnecting-branch between the efferent branchial loops. SV, sinus^ venosus. T, teeth, V, ventricle. q2. 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, bookyear1887
