. A laboratory manual and text-book of embryology. Embryology. 'ero Fig. 248.—Diagrams to illustrate the origin of the tubular heart (Strahl and Carius, from McMurrich's " Development of Human Body"), am, amnion; en, entoderm; h, heart; i, digestive Fig. 249.—The heart of a 2 mm. human em- bryo in ventral view (Mall). to the ventricular limb and separated from it by the bulbo-ventricular cleft. Next in embryos of 3 to 4 mm. the bulbo-ventricular loop shifts its position until its base is directed caudad and ventrad (Fig. 250, B). At the same time the sinus venosus is brought
. A laboratory manual and text-book of embryology. Embryology. 'ero Fig. 248.—Diagrams to illustrate the origin of the tubular heart (Strahl and Carius, from McMurrich's " Development of Human Body"), am, amnion; en, entoderm; h, heart; i, digestive Fig. 249.—The heart of a 2 mm. human em- bryo in ventral view (Mall). to the ventricular limb and separated from it by the bulbo-ventricular cleft. Next in embryos of 3 to 4 mm. the bulbo-ventricular loop shifts its position until its base is directed caudad and ventrad (Fig. 250, B). At the same time the sinus venosus is brought dorsal to the atrium, which in turn is cranial with relation to the bulbo-ventricular loop, and the bulbar limb is pressed against the ventral surface of the atrium and constricts it. 17. 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 Prentiss, Charles William, 1874-1915. Philadelphia, London, W. B. Saunders
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectembryology, bookyear1
