Research Article
Effects of Photoperiod on Epididymal and Sperm Morphology in a Wild Rodent, the Viscacha (Lagostomus maximus maximus)
Table 1
Means values ± SEM of structural parameters in each epididymal segment during periods of activity and regression.
| | Segment | Parameters | Period | | | Active | Regression | |
| | Initial | Luminal diameter | 128 ± 4.7 | 84 ± 2.3 | <0.00 | | Epithelium height | 57.3 ± 1.3 | 48 ± 4.6 | >0.05 | | Thickness of lamina propria | 7.6 ± 2.3 | 9.6 ± 1.3 | <0.0 | | Stereocilia length | 7.3 ± 0.6 | 6.6 ± 0.6 | >0.05 |
| | Caput | Luminal diameter | 117.3 ± 1.3 | 105.3 ± 1.3 | >0.05 | | Epithelium height | 53.3 ± 3.5 | 45.3 ± 1.3 | >0.05 | | Thickness of lamina propria | 6.7 ± 1.3 | 8.0 ± 2.3 | >0.05 | | Stereocilia length | 4.3 ± 0.7 | 6.3 ± 0.7 | >0.05 |
| | Corpus | Luminal diameter | 148 ± 2.3 | 136 ± 4.6 | >0.05 | | Epithelium height | 36 ± 2.3 | 44 ± 2.3 | >0.05 | | Thickness of lamina propria | 8 ± 2.3 | 9.3 ± 1.3 | >0.05 | | Stereocilia length | 5.3 ± 0.6 | 5.6 ± 0.6 | >0.05 |
| | Cauda | Luminal diameter | 443 ± 1.9 | 106.7 ± 1.3 | <0.00 | | Epithelium height | 10.6 ± 1.3 | 21.3 ± 1.3 | <0.0 | | Thickness of lamina propria | 8.3 ± 2.3 | 16.4 ± 2.3 | <0.0 | | Stereocilia length | 5.6 ± 0.3 | 5.3 ± 0.3 | >0.05 |
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Values with significant difference in regression period.
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