The development of the human body; a manual of human embryology . Fig. 150.—Diagrams Illustrating the Development of the Inferior Vena Cava. cs, Coronary sinus; dv, ductus venosus; il, iliac vein; r, renal; scl, sub-clavian; sp, spermatic; ra, vena azygos; vh, hepatic; vha, vena hemi-azygos; vi, left innominate; vj, jugular; vsc, subcardinal; vsr, supra-renal. (Fig. 150, B), and the portion of the left cardinal whichintervenes between this anastomosis and the entrance ofthe spermatic (ovarian) vein disappears, the remainder ofit, as far forward as the renal vein, persisting as the upperpart of


The development of the human body; a manual of human embryology . Fig. 150.—Diagrams Illustrating the Development of the Inferior Vena Cava. cs, Coronary sinus; dv, ductus venosus; il, iliac vein; r, renal; scl, sub-clavian; sp, spermatic; ra, vena azygos; vh, hepatic; vha, vena hemi-azygos; vi, left innominate; vj, jugular; vsc, subcardinal; vsr, supra-renal. (Fig. 150, B), and the portion of the left cardinal whichintervenes between this anastomosis and the entrance ofthe spermatic (ovarian) vein disappears, the remainder ofit, as far forward as the renal vein, persisting as the upperpart of the left spermatic (ovarian) vein, which thus comesto open into the renal vein instead of into the vena cava as 286 THE DEVELOPMENT OF THE HUMAN BODY. does the corresponding vein of the right side of the body(Fig. 150, C, sp). The renal veins originally open into thecardinals at the point where these are joined by the largecross-connection, and when the lower part of the leftcardinal disappears, this cross-connection forms the prox-imal part of the left rena


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectembryol, bookyear1902