. Anatomy, descriptive and applied. Anatomy. 708 THE VASCULAR SYSTEMS Applied Anatomy.— Thrombosis of larger or smaller tributaries of the pulmonary veins is common in inflamed areas of the lung; or as a consequence of pressure from tumors, but it does not give rise to any special ENTRANCE OF VENA AZYGOS BRANCH OF PUL- MONARY ARTERY Fig. 493.—Pulmonary veins, seen in a dorsal view of the heart and lungs lie iett lui g is pulled to the left, and the right lung has been partly cut away to show the ramifications of the air tubes and bloodvessels. (Testut.) THE SYSTEMIC VEINS. The syste
. Anatomy, descriptive and applied. Anatomy. 708 THE VASCULAR SYSTEMS Applied Anatomy.— Thrombosis of larger or smaller tributaries of the pulmonary veins is common in inflamed areas of the lung; or as a consequence of pressure from tumors, but it does not give rise to any special ENTRANCE OF VENA AZYGOS BRANCH OF PUL- MONARY ARTERY Fig. 493.—Pulmonary veins, seen in a dorsal view of the heart and lungs lie iett lui g is pulled to the left, and the right lung has been partly cut away to show the ramifications of the air tubes and bloodvessels. (Testut.) THE SYSTEMIC VEINS. The systemic veins may be arranged into three groups: (1) The cardiac veins, which open directly into the right auricle of the heart. (2) Those of the head and neck, upper extremity, and thorax, which terminate in the superior vena cava. (3) Those of the lower extremity, abdomen, and pelvis, which terminate in the inferior vena cava. THE CARDIAC VEINS. The coronary sinus (sinus coronarius) is a wide venous channel about an inch in length which receives the majority of the veins draining the blood from the substance of the heart. It is situated in the posterior part of the auriculo- ventricular groove, and is partly covered by muscle fibres from the left auricle. It terminates in the right auricle between the opening of the inferior vena cava and the auriculoventricular aperture, its orifice being guarded by a semilunar A'ahe, the coronary valve, or valve of Thebesius. Tributaries.— Great cardiac or left coronary. Middle or posterior cardiac. Small cardiac or right coronary. Posterior vein of the left ventricle. Oblique vein of 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 Gray, Henry, 1825-1861; Spitzka, Edward Anthony, 1876-1922. Philadelphia, New York, Lea & Febiger
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1913
