. Embryology. Embryology; Embryology; genealogy. FORMATION OF BLOOD VESSELS AND THE HEART FOLDS OF AMNION ECTODERM 175 SOMATIC MESODERM CHORION. AMNION. 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 Barth, Lester G. (Lester George), 1905-1979. New York, Dryden Press

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Keywords: ., boo, bookcentury1900, booksubjectembryology, booksubjectgenealogy