. Biology of the vertebrates : a comparative study of man and his animal allies. Vertebrates; Vertebrates -- Anatomy; Anatomy, Comparative. Internal Transportation 371 the anterior fin buds to the common cardinals, and the ventral abdominal veins running along the ventral abdominal wall to empty into the sub- clavians. Meanwhile the posterior cardinals have grown back until they have joined with the cloacal loop and the subintestinal vein has subse- quently broken away from this loop. The hepatic portal system is now lim- ited to the draining of the digestive system, as in adult animals. tf_ f
. Biology of the vertebrates : a comparative study of man and his animal allies. Vertebrates; Vertebrates -- Anatomy; Anatomy, Comparative. Internal Transportation 371 the anterior fin buds to the common cardinals, and the ventral abdominal veins running along the ventral abdominal wall to empty into the sub- clavians. Meanwhile the posterior cardinals have grown back until they have joined with the cloacal loop and the subintestinal vein has subse- quently broken away from this loop. The hepatic portal system is now lim- ited to the draining of the digestive system, as in adult animals. tf_ f Sinus 1 [Venosusj E—Vitelline Subintestinal — Cloacal1 Opening] Caudal - Anterior! Cardinal] Common! Cardinal] Liver 1 Anlagej Subintestinal \. Hepatic,, | Liver-^ J Capillaries 1^| Posteriori Cardinal] Hepatic! ~\~" Portal J Cloacal Opening Caudal. 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 Walter, Herbert Eugene, b. 1867; Sayles, Leonard Perkins, 1902-. New York : Macmillan Co.
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