Oksanen A
Acta Pathol Microbiol Scand A. 1977 Jul;85(4):470-80. doi: 10.1111/j.1699-0463.1977.tb03878.x.
Epithelial thymus cysts in dogs were investigated by electron microscopy. Epithelial cells from one and the same cyst showed morphological differences. Regular columnar or cuboidal epithelial cells predominated. These had an elongated nucleus, poor in chromatin but with abundant cytoplasmic organelles, e.g. mitochondria, and a Golgi region with sacs and vacuoles. Other cells possesed a narrower, indented nucleus richer in chromatin, a cytoplasm with numerous tonofilaments and cell membranes showing interdigitations with other cell membranes. Some cysts displayed a pseudostratified epithelium. In these cells the same organelles were present as were seen in the cuboidal cells. Abundant cilia and microvilli were present in the lumenal cells. All these different morphological characteristics were considered to be different functional aspects of the same kind of thymus epithelial cell. The cells had a structure indicating a secretory-activity.
通过电子显微镜对犬上皮性胸腺囊肿进行了研究。来自同一个囊肿的上皮细胞显示出形态学差异。规则的柱状或立方上皮细胞占主导。这些细胞有一个细长的细胞核，染色质较少，但有丰富的细胞质细胞器，如线粒体，以及一个有囊泡和液泡的高尔基体区域。其他细胞有一个较窄的、凹陷的细胞核，染色质更丰富，细胞质中有许多张力丝，细胞膜与其他细胞膜有指状交叉。一些囊肿表现为假复层上皮。在这些细胞中存在与立方体细胞中所见相同的细胞器。腔面细胞中有丰富的纤毛和微绒毛。所有这些不同的形态学特征被认为是同一种胸腺上皮细胞的不同功能方面。这些细胞具有表明分泌活性的结构。
