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. The development of the chick : an introduction to embryology. Embryology; Chickens -- Embryos. HEAD-FOLD TO TWELVE SOMITES 97 the undifferentiated mass of the primitive streak. These condi- tions must be born in mind in the following description. The Neural Groove and Folds. Shortly after the formation of the head-fold the center of the medullary plate becomes sunk in the form of a deep groove beginning a short distance behind the f:-:>-^ ^. â¢/^2.' 'â Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloratio
. The development of the chick : an introduction to embryology. Embryology; Chickens -- Embryos. HEAD-FOLD TO TWELVE SOMITES 97 the undifferentiated mass of the primitive streak. These condi- tions must be born in mind in the following description. The Neural Groove and Folds. Shortly after the formation of the head-fold the center of the medullary plate becomes sunk in the form of a deep groove beginning a short distance behind the f:-:>-^ ^. â¢/^2.' 'â 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 Lillie, Frank Rattray, 1870-1947. New York : Henry Holt
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Keywords: ., bookauthorlilliefrankrat, bookcentury1900, booksubjectembryology