. Anatomy, descriptive and applied. Anatomy. THE HEART 569 The peculiarities in the arterial system of the fetus are the communication between the artery and the descending aorta by means of the ductus arteriosus, and the continuation of the internal iliac arteries as the umbilical arteries to the Pndus arteriosus. Infe) nal iliac arteri Fig. 423.—Plan of the fetal circulation. In this plan the figured arrows represent the kind of blood, as well as the direction which it takes in the vessels. Thus, arterial blood is figured >>— -->; venous blood, >> >; m
. Anatomy, descriptive and applied. Anatomy. THE HEART 569 The peculiarities in the arterial system of the fetus are the communication between the artery and the descending aorta by means of the ductus arteriosus, and the continuation of the internal iliac arteries as the umbilical arteries to the Pndus arteriosus. Infe) nal iliac arteri Fig. 423.—Plan of the fetal circulation. In this plan the figured arrows represent the kind of blood, as well as the direction which it takes in the vessels. Thus, arterial blood is figured >>— -->; venous blood, >> >; mixed (arterial and venous) blood, >>•••—•••—>. The ductus arteriosus (Fig. 423) is a short tube, about 10 mm. (half an inch) in length at birth, and 2 mm. (one-twelfth of an inch) in diameter. In the early condition it forms the continuation of the pulmonary artery, and opens into the descending aorta just below the origin of the left subclavian artery, and so con-. 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
