. A compend of human physiology; especially adapted for the use of medical students. Physiology. Mother Star (viewed Daughter Star. Beginning. Completed, from above). Division of the Protoplasm. Fig. 3.—Karyokinetic Figures Observed in the Epithelium of the Oral Cavity of a Salamander. The picture in the upper right-hand corner is from a section through a dividing egg of Siredon pisciformis. Neither the centrosomes nor the first stages of the develop- ment of the spindle can be seen by this magnification. X 560- Prophase.—The centrosoma, at first small and lying within the nucleus, increases i
. A compend of human physiology; especially adapted for the use of medical students. Physiology. Mother Star (viewed Daughter Star. Beginning. Completed, from above). Division of the Protoplasm. Fig. 3.—Karyokinetic Figures Observed in the Epithelium of the Oral Cavity of a Salamander. The picture in the upper right-hand corner is from a section through a dividing egg of Siredon pisciformis. Neither the centrosomes nor the first stages of the develop- ment of the spindle can be seen by this magnification. X 560- Prophase.—The centrosoma, at first small and lying within the nucleus, increases in size and moves into the protoplasm, where it lies near the nucleus, surrounded by a clear zone, from which delicate threads radiate through an area known as the attraction sphere. The nucleus enlarges and becomes richer in chromatin. The lateral twigs of the chromatin cords are drawn in, while the main cords become much contorted. These. 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 Brubaker, Albert P. (Albert Philson), 1852-1943. Philadelphia, Blakiston
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