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Aim: To determine the effect of oral administration of an aqueous extract from the roots of Lepidium meyenii (maca)on spermatogenesis in adult male rats. Methods; Male rats received an aqueous extract of the root (66.7 mg in onemL) twice a day for 14 consecutive days. Results: Treatment with Lepidium meyenii resulted in an increase in theweights of testis and epididymis but not the seminal vesicle weight. The length and frequency of stages IX-XIV seminif-erous tubules, where mitosis occurred, were increased and stages I-VI were reduced in rats treated with Lepidiummeyenii. Conclusion; The Lepidium meyenii root invigorates spermatogenesis in male rats by acting on its initialstages (IX-XIV). (Asian J Androl 2001 Sep; 3: 231 - 233)
Aim: To determine the effect of oral administration of an aqueous extract from the roots of Lepidium meyenii (maca)on spermatogenesis in adult male rats. Methods; Male rats received an aqueous extract of the root (66.7 mg in one mL) twice a day for 14 consecutive days. Results: Treatment with Lepidium meyenii resulted in an increase in the weights of testis and epididymis but not the seminal vesicle weight. The length and frequency of stages IX-XIV seminif-erous tubules, where mitosis occurred, were increasing and stages I -VI were reduced in rats treated with Lepidiummeyenii. Conclusion; The Lepidium meyenii root invigorates spermatogenesis in male rats by acting on its initialstages (IX-XIV). (Asian J Androl 2001 Sep; 3: 231 - 233)