. The germ-cell cycle in animals . Cells. Fig. 62. — Prophases of the heterotype division in the male Axolotl. 1, nucleus of spermogonium, or young spermocyte; S, early lepto- tene; S, transition to synaptene; 4i synaptene with the double filaments converging towards the eentrosome; 5, contraction fig- ure ; 6, 7, pachytene ; 8, early; 9, later diplotene; 10, the hetero- typic double chromosomes; the nuclear membrane is disappearing. (From Jenkinson, 1913.) throughout the nucleus, and finally split into two threads (Fig. 62, 8-9); this is the diplotene stage. The pairs of filaments finally sho
. The germ-cell cycle in animals . Cells. Fig. 62. — Prophases of the heterotype division in the male Axolotl. 1, nucleus of spermogonium, or young spermocyte; S, early lepto- tene; S, transition to synaptene; 4i synaptene with the double filaments converging towards the eentrosome; 5, contraction fig- ure ; 6, 7, pachytene ; 8, early; 9, later diplotene; 10, the hetero- typic double chromosomes; the nuclear membrane is disappearing. (From Jenkinson, 1913.) throughout the nucleus, and finally split into two threads (Fig. 62, 8-9); this is the diplotene stage. The pairs of filaments finally shorten and thicken,. 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 Hegner, Robert William, 1880-1942. New York : The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcells, bookyear1914
