美洲鼠输精管内膜上皮的超微结构特征。

A M Orsi, K Simoes, M R Fernandes Machado, C da Cruz, R Fantin Domeniconi
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引用次数: 0

摘要

南美野生啮齿动物刺鼠附睾上皮基本由主细胞和基底细胞组成。主细胞的细胞质超微结构特征决定了主细胞与吸附性内吞、相液性内吞和分泌过程密切相关。主细胞的特征还包括在小凹坑中存在多种形状、大小和内化内容物的囊泡,靠近微绒毛顶端刷状边缘的苍白小囊泡,以及包被囊泡、光滑表面囊泡和大囊泡。多泡体、核内体和溶酶体主要位于核上位置。此外,顶浆分泌过程的存在通过发生顶端细胞质扩张投射到输精管腔室来证明。无管腔表面接触的基底扁平细胞位于导管基底膜旁,未表现出特殊的超微结构特征。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ultrastructural features of the lining epithelium of the vas deferens of Agouti paca.

The epididymal epithelium of Agouti paca, a wild South American rodent, was basically formed by principal and basal cells. Principal cells were closely related to processes of adsorptive endocytosis, phase-fluid endocytosis and also secretion originating from their cytoplasmic ultrastructural features. Principal cells were also characterized by the presence of vesicles of several shapes, sizes and internalized content occurring in smaller pits, pale small vesicles next to the apical brush border of microvillus, as well as coated vesicles, smooth surface vesicles and great vesicles. Multivesicular bodies, endosomes and lysosomes were mainly observed in supranuclear position. Moreover, presence of an apocrine secretory process was demonstrated by the occurrence of apical cytoplasmic expansions projecting into the vas deferens luminal compartment. Basal flattened cells without luminal surface contact occurred next to the basement membrane of the ductus, and did no exhibit special ultrastructural features.

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