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Table 2 Quantitative characteristics of the rats’ testis generative kinesis after long-lasting bichrome exposure

From: Mutagenic and carcinogenic actions of chromium and its compounds

Parameters

Control

Experimental group

Tubules diameter (µm)

263.72 ± 2.37

291.15 ± 3.11

Spermatogenesis coefficient (number)

4.1 ± 0.39

2.8 ± 0.22

Number of tubules with “plugs”

0.498 ± 0.08

0.776 ± 0.09

Preleptotene spermatocytes of the 1st order (%)

11.5

100

Preleptotene and leptotene spermatocytes of the 1st order (%)

12.3

Leptotene spermatocytes of the 1st order (%)

20.1

Leptotene and zygotene spermatocytes of the 1st order (%)

18.3

Zygotene spermatocytes of the 1st order (%)

9.1

Zygotene and pachytene spermatocytes of the 1st order (%)

8.9

Pachytene spermatocytes of the 1st order (%)

9.5

Pachytene and diplotene spermatocytes of the 1st order (%)

5.2

Diplotene spermatocytes of the 1st order (%)

5.1

  1. * Differences statistically valid (p ≤ 0.05)