The earliest stage of prophase in meiosis, characterized by physiochemical changes in cytoplasm and karyoplasm and beginning contraction of chromosomes.
[pre- + leptotene, fr. G. leptos, slender, + tainia, band]
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Population of preleptotene, pachytene, secondary spermatocytes and step-19 spermatid were declined by 60.
84%) deviation) (c) Testicular cell counts (number/10 cross section) Primary spermatocytes Preleptotene Pachytene Group-I 19.
The population of preleptotene and pachytene spermatocytes were decreased by 64.
26%; spermatogonia and preleptotene spermatocytes were decreased by 59.