. The American journal of anatomy . / ? * f\ j Fig. 15 Semidiagrammatic reconstruction of the heart of an embryo 9 (No. 163). The left lateral endocardial cushion has been added from anol herembryo of 9 mm. (No. 422).. Fig. 16 Semidiagrammatic reconstruction of the heart of an embryo 11 (No. 353). The muscle encircling the atrial canal is reduced and the atrio-ventricular bundle is seen passing behind the endocardial cushions to spread overthe ventricular septum below. is also shown. These figures indicate clearly the fate of the pri-mary dividing masses of conn
. The American journal of anatomy . / ? * f\ j Fig. 15 Semidiagrammatic reconstruction of the heart of an embryo 9 (No. 163). The left lateral endocardial cushion has been added from anol herembryo of 9 mm. (No. 422).. Fig. 16 Semidiagrammatic reconstruction of the heart of an embryo 11 (No. 353). The muscle encircling the atrial canal is reduced and the atrio-ventricular bundle is seen passing behind the endocardial cushions to spread overthe ventricular septum below. is also shown. These figures indicate clearly the fate of the pri-mary dividing masses of connective tissue at the base of the heartin the embryo. DEVELOPMENT OF THE HUMAN HEART 175 In young hearts the septum aorto pulmonale encircles the rightostium as shown in fig. 17 and from it the tricuspid valve the adult the septum aorto pulmonale blends with the anterior
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1912
