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International Journal of Morphology

versión On-line ISSN 0717-9502

Resumen

BUSTOS-OBREGON, Eduardo; DEL RIO, Fernando Costa  y  SARABIA, Luis. Morphometric Analysis of Mice Testicular Tubules after Administration of Malathion and Maca. Int. J. Morphol. [online]. 2007, vol.25, n.2, pp.245-248. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022007000200001.

Organophosphoric (OP) agropesticidas are amply used to increase food production. However, it has been verified that they induce alterations at testicular level related to the diminution of fertility in humans as in animals. On the other hand, different studies have been made to develop chemical or natural compounds that can induce an antagonistic effect to OP. In previous studies an extract from a plant, from the Peruvian Andes (Maca) has been recognized by its stimulating action on spermatogenesis. In the present study the effects of both external agents were evaluated on testicular sections of testis of adult male mice on a population of 52 mice CF1, divided at random in 4 groups (Control, Malathion, Maca, Malathion-Maca), with sacrifice intervals of 1,7, 14 and 21 days. By means of morphometric technique and using the "Image Tools 3,1" software, the histology of testicular sections was evaluated, to analyze the degree of alteration induced by these agents. The epithelial height mainly has a rise in day 1, for Malathion group and then fall to day 7 to be normal by day 14. However, Malathion-Maca groups show no changes. The tubular lumen decreases at day 7 and day 14 to be normal by day 21 in Malathion group. However, in Malathion - Maca group, the tubular lumen decreases only at 14 days. The tubular diameter, at day 7 (p<0.01), 14 and 21 in Malathion group decreases respect to control (p<0.05), However, Malathion-Maca groups show normal values. In conclusion, it is possible to establish that the damage induced by Malathion is reverted by 21 days post-administration of Maca

Palabras clave : Testis; Morphometry; Mice; Malathion; Maca.

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