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Fig. 5. Variability of sperm nuclei in cysts at their maximum elongation. (A,C,E,G)
Delhi series; (B,D,F,H) Prunay series. (A,B) Males grown at 21°C;
(C–H) males grown at 31°C. The various abnormalities of nucleus
elongation and condensation observed at 31°C were found in the two
populations but at different frequencies (see text). (A,B) Normal cysts with
condensed chromatin in all apical nuclei (21°C); (C,D) rounded nuclei with
variable levels of chromatin condensation (31°C); (E,F) irregular-shaped
nuclei with variable levels of chromatin condensation (31°C); (G) rounded
nuclei located in abnormal position along the cyst (31°C); (H) normal
condensation of nuclei located in abnormal position along the cyst (31°C).
Scale bar, 10 µm.
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