. The development of the chick : an introduction to embryology. Embryology; Chickens -- Embryos. HEAD-FOLD TO TWELVE SOMITES 109 -pr str. Fig. 63. —Embryo of 12 s, from above, drawTi as a transparent object with transmitted light. X 30. Abbreviations as before. IV. The Mesoblast The changes in the mesoblast during this period are of great importance. At the time of appearance of the head-fold it con- sists of two great sheets of cells between ectoderm and entoderm. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability -
. The development of the chick : an introduction to embryology. Embryology; Chickens -- Embryos. HEAD-FOLD TO TWELVE SOMITES 109 -pr str. Fig. 63. —Embryo of 12 s, from above, drawTi as a transparent object with transmitted light. X 30. Abbreviations as before. IV. The Mesoblast The changes in the mesoblast during this period are of great importance. At the time of appearance of the head-fold it con- sists of two great sheets of cells between ectoderm and entoderm. 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
