Objective Antiaging effects of seal kidney on aged male rats have been studies.

目的：研究海狗肾对雄性老龄大鼠的抗衰老作用。

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Objective To study the effect of estrogen on new bone formation in the implanted bone matrix in aged male rats and on general bone metabolism.

目的研究雌激素对老年雄性哺乳动物的植入骨的新生骨骨面积及对全身骨代谢的影响。

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Results in the male and female rats, there was no significant decrease in the total length of unmyelinated fibers in white matter of young and aged rats.

结果雄性和雌性大鼠大脑白质无髓神经纤维总长度均无显著的老年性降低。

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