. The development of the chick; an introduction to embryology. Birds -- Embryology. LATER DEVELOPMENT OF VASCULAR SYSTEM 373 P%:sjfs. yscs. — V^.mr. Fig. 214. — Reconstruction of the venous system of a sparrow embryo, corresponding to a chick of about 14 days. (After Miller.) V. H., Intra-hepatic part of the vena cava inferior. V c. 1. SC, Part of the vena cava inferior derived from the subcardinal vein. V. v. g., Genital veins. V. i. e. d., s., Right and left vena iliaca externa. V. i. i., Vena iliaca interna. V. i. 1. d., s., Right and left vena intervertebralis luni- bal
. The development of the chick; an introduction to embryology. Birds -- Embryology. LATER DEVELOPMENT OF VASCULAR SYSTEM 373 P%:sjfs. yscs. — V^.mr. Fig. 214. — Reconstruction of the venous system of a sparrow embryo, corresponding to a chick of about 14 days. (After Miller.) V. H., Intra-hepatic part of the vena cava inferior. V c. 1. SC, Part of the vena cava inferior derived from the subcardinal vein. V. v. g., Genital veins. V. i. e. d., s., Right and left vena iliaca externa. V. i. i., Vena iliaca interna. V. i. 1. d., s., Right and left vena intervertebralis luni- balis. V. r. m. d., s., Right and left great renal veins. almost exclusively, the pulmonary veins being very rudimentary at this stage. The veins entering the sinus venosus are the ducts of Cuvier, and the meatus venosus. The former are made up on each side by (1) the anterior cardinal vein, returning blood from the head, (2) the posterior cardinal vein returning blood from the veins of the Wolffian body, and the intersomitic veins, (3) the umbilical veins returning blood mainly from the body-. 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 Lillie, Frank Rattray, 1870-1947. New York, Holt
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