Wrobel K H, Sinowatz F, Mademann R
Cell Tissue Res. 1981;217(2):289-310. doi: 10.1007/BF00233582.
The intertubular stroma of the bovine testis is composed of narrow strands between two adjacent tubules and larger tri- and quadrangular interstices between three to four tubules. The latter contain the majority of Leydig cells, larger blood vessels and testicular lymph vessels. Leydig cells occur in groups or cords, not every cell being in close contact to a capillary, lymph vessel or venule. Between adjacent Leydig cells intercellular canaliculi and gap junctions are frequently encountered. Bovine Leydig cells are further characterized by an abundance of ribosome-associated endoplasmic reticulum, by mitochondria often containing crystalloid structures and displaying both tubular and lamelliform cristae, as well as by a relative paucity of lipid droplets and lysosomes. Independent of the size of intertubular lymph vessels their walls consist only of an endothelium of varying thickness, no typical basal lamina or associated musculature being present. The interstitial surface of the endothelium sends anchoring cytoplasmic pedicles into the subjacent ground substance and collagen fibrils. Among occasional plasma cells, mast cells and mononuclear leucocytes, a regular constituent of the intertubular region studied is a population of electron-lucid, irregularly shaped cells (light intercalated cells = LIC) with slender, pleomorphic processes. These cells are believed to be involved in testicular androgen storage and distribution.
牛睾丸的小管间基质由相邻两个小管之间的狭窄条索以及三到四个小管之间较大的三角形和四边形间隙组成。后者包含大多数的莱迪希细胞、较大的血管和睾丸淋巴管。莱迪希细胞成群或成索状分布，并非每个细胞都与毛细血管、淋巴管或小静脉紧密接触。在相邻的莱迪希细胞之间经常可以看到细胞间小管和缝隙连接。牛的莱迪希细胞的进一步特征是富含核糖体相关的内质网，线粒体通常含有晶体结构，呈现管状和板层状嵴，并且脂滴和溶酶体相对较少。无论小管间淋巴管的大小如何，其壁仅由厚度不同的内皮组成，不存在典型的基膜或相关肌肉组织。内皮的间质表面向下方的基质和胶原纤维发出锚定的细胞质蒂。在所研究的小管间区域中，除了偶尔出现的浆细胞、肥大细胞和单核白细胞外，还有一群电子透明、形状不规则的细胞（浅色闰细胞 = LIC），其具有细长的、多形的突起，它们是该区域的正常组成部分。这些细胞被认为参与睾丸雄激素的储存和分布。
