. The elements of experimental embryology. Embryology, Experimental; Embryology. A DESCRIPTIVE SKETCH 17 mouth of the blastopore forming the so-called yolk-plug. At the same time, the original cavity of the blastula, the blastocoel, has. b Fig. 3 Diagrams to show the directions of movement and displacement of the parts of the blastula in the process of gastrulation in Amphibia, a. Seen from the vege- tative pole, b, From the left side. The thick lines show the tracks followed on the surface: the thin lines the tracks beneath the surface after invagination at the blastopore rim. (From Vogt, Arc
. The elements of experimental embryology. Embryology, Experimental; Embryology. A DESCRIPTIVE SKETCH 17 mouth of the blastopore forming the so-called yolk-plug. At the same time, the original cavity of the blastula, the blastocoel, has. b Fig. 3 Diagrams to show the directions of movement and displacement of the parts of the blastula in the process of gastrulation in Amphibia, a. Seen from the vege- tative pole, b, From the left side. The thick lines show the tracks followed on the surface: the thin lines the tracks beneath the surface after invagination at the blastopore rim. (From Vogt, Arch. Entzomech. cxx, 1929.) been more or less obliterated by the formation of the new cavity, the archenteron or gut (fig. 4). Since it is on the dorsal side of the embryo that the overgrowth. 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 Huxley, Julian, 1887-1975; De Beer, Gavin, Sir, 1899-1972. New York [Hafner Pub. Co. ]
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Keywords: ., bookcentury1900, bookcollectionbiodiversi, booksubjectembryology
