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首页> 外文期刊>Journal of submicroscopic cytology and pathology >Comparative analysis of senescent exorbital lacrimal glands in male and female albino rats.
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Comparative analysis of senescent exorbital lacrimal glands in male and female albino rats.

机译：雄性和雌性白化病大鼠衰老的眶外泪腺的比较分析。

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摘要

In our previous study we described a bilateral-macroscopic and structural dimorphism of young rat exorbital lacrimal gland (Loewenthal's gland), which was the probable cause of the bibliographic discrepancies in the entity and the onset of its sexual dimorphism. Relevant literature also reported sex-dependent alterations in gland structure during senescence. The present study aims to carry out a comparative analysis on age-dependent changes in glands of both sides from male and female rats, using histological, histochemical and transmission electron microscopy, to evaluate whether the gland bilateral-macroscopic and structural dimorphism might influence the kind of alterations which occur in senescence. Our findings indicate that the macroscopic and structural side-specific dimorphism is not so evident in comparison with young rats. The side-specific dimorphism is evident only in male rats, in which the roundish gland appears to be more Sudan-positive in comparison with the ellipsoidal gland. The glandbilateral-macroscopic and structural dimorphism, although more evident in comparison with young animals, does not seem to influence these kinds of alterations due to senescence, a time-window in which we still observed some sexual differences also in more aged rats.
机译：在我们先前的研究中，我们描述了年轻大鼠眶外泪腺（Loewenthal腺）的双侧宏观和结构双态性，这可能是该实体书目差异和性双态性发作的原因。相关文献还报道了衰老过程中腺体结构的性别依赖性变化。本研究旨在利用组织学，组织化学和透射电子显微镜对雄性和雌性大鼠两侧腺体的年龄依赖性变化进行比较分析，以评估腺体的双侧宏观和结构二态性是否会影响腺体的类型。在衰老中发生的变化。我们的发现表明，与年轻大鼠相比，宏观和结构侧特异性二态性不是那么明显。仅在雄性大鼠中才观察到侧特异性二态性，其中与椭圆形腺相比，圆形腺似乎更苏丹阳性。尽管与年幼动物相比，腺双侧-宏观和结构上的二态性似乎并不影响衰老引起的这类变化，但在衰老窗口中我们仍然观察到性别差异。

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