. The development of the chick : an introduction to embryology. Embryology; Chickens -- Embryos. 96 THE DEVELOPMENT OF THE CHICK tive streak, but this part becomes distinct as the primitive streak spUts into its derivatives. It is therefore only when the latter is entirely used up that the entire length of the medullary plate is established. However, long before this time the greater por- tion has become converted by folding into the neural tube, a process that proceeds in general from in front backwards. Thus giSifetfS' s^z:. Please note that these images are extracted from scanned

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. The development of the chick : an introduction to embryology. Embryology; Chickens -- Embryos. 96 THE DEVELOPMENT OF THE CHICK tive streak, but this part becomes distinct as the primitive streak spUts into its derivatives. It is therefore only when the latter is entirely used up that the entire length of the medullary plate is established. However, long before this time the greater por- tion has become converted by folding into the neural tube, a process that proceeds in general from in front backwards. Thus giSifetfS' s^z:. 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