. Analysis of development. Embryology; Embryology. 86 systems, which might otherwise get out of hand. Hypothetically, at least, the scheme of competitive interaction is applicable to the problem of embryonic differentiation. Since no egg is completely homogeneous in the distribution of its chemical constituents, a way is immediately open for the differential Cellular Structure and Activity bryos is alterable by addition of succinate (Boell, '49), but in this case normal develop- ment is possible over only a narrow range of enzyme enhancement. Probably a more fav- orable type of material for ex


. Analysis of development. Embryology; Embryology. 86 systems, which might otherwise get out of hand. Hypothetically, at least, the scheme of competitive interaction is applicable to the problem of embryonic differentiation. Since no egg is completely homogeneous in the distribution of its chemical constituents, a way is immediately open for the differential Cellular Structure and Activity bryos is alterable by addition of succinate (Boell, '49), but in this case normal develop- ment is possible over only a narrow range of enzyme enhancement. Probably a more fav- orable type of material for experiments on adaptation is made available in the im- portant experiments of Spratt ('49), who has shown that explanted chick blastoderms 3 < U z I. OR r. 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 Willier, Benjamin H. (Benjamin Harrison), b. 1890. Philadelphia, Saunders


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Keywords: ., bookcentury1900, bookpublisherphiladelphi, booksubjectembryology