. Comparative embryology of the vertebrates; with 2057 drawings and photos. grouped as 380 illus. Vertebrates -- Embryology; Comparative embryology. CXORSAL AORT DUCT OF C OMPHALOMESENTERIC IVITELLINEl ARTERY Fig. 336. Early development of the circulatory system in the chick. (A) Primitive vitelline (omphalomesenteric) veins, heart, ventral aorta, and the first or mandibular pair of aortal arches. About stage 10 of Hamburger and Hamilton, 1951, J. Morph. 88. Approximately 33-38 hrs. of incubation. (A') Lateral view of same. (B) Lateral view of chick circulatory system of about 45-50 hrs. of in
. Comparative embryology of the vertebrates; with 2057 drawings and photos. grouped as 380 illus. Vertebrates -- Embryology; Comparative embryology. CXORSAL AORT DUCT OF C OMPHALOMESENTERIC IVITELLINEl ARTERY Fig. 336. Early development of the circulatory system in the chick. (A) Primitive vitelline (omphalomesenteric) veins, heart, ventral aorta, and the first or mandibular pair of aortal arches. About stage 10 of Hamburger and Hamilton, 1951, J. Morph. 88. Approximately 33-38 hrs. of incubation. (A') Lateral view of same. (B) Lateral view of chick circulatory system of about 45-50 hrs. of incubation. (About Hamburger and Hamilton stage 13.) (B') Same, showing common cardinal vein (duct of Cuvier). (C) Circulatory system of chick during early part of third day of incubation. (About Hamburger and Hamilton stage 15.) (D) Circulatory system of chick embryo about 72 hrs. incubation. 744. 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 Nelsen, Olin E. (Olin Everett), b. 1898. New York, Blakiston
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