. Animal physiology. Physiology, Comparative; Physiology, Comparative. ARTERIAL SYSTEM OF BIRDS. 203 lying on the breast, are supplied with blood by the arteries of the upper extremities, which here possess a manifest predomi- nance. The aorta, soon after its origin, subdivides into three Lingual Sacral artery. Fis. 119, Cloaca. -Arterial System of Bird. large branches; of which the two first, one on either side, (each giving off the subclavian and carotid arteries,) convey the blood to the head, the wings, and the muscles lying on the thorax; whilst the middle one curves backwards an
. Animal physiology. Physiology, Comparative; Physiology, Comparative. ARTERIAL SYSTEM OF BIRDS. 203 lying on the breast, are supplied with blood by the arteries of the upper extremities, which here possess a manifest predomi- nance. The aorta, soon after its origin, subdivides into three Lingual Sacral artery. Fis. 119, Cloaca. -Arterial System of Bird. large branches; of which the two first, one on either side, (each giving off the subclavian and carotid arteries,) convey the blood to the head, the wings, and the muscles lying on the thorax; whilst the middle one curves backwards and downwards, and becomes the descending aorta. Now that which is here the continuation of the great side branch, is neither the carotid nor the subcla-. 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 Carpenter, William Benjamin, 1813-1885. London : Wm. S. Orr and Co.
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