Busch L C
Anat Anz. 1980;148(1):14-29.
The mink uterus (corpus uteri and cornua uteri) during anestrous was examined by SEM and TEM. The endometrium of the uterine horn forms 5 longitudinal mounds and a sequence of circularly arranged mucosal pillows on the antimesometrial side of the horn. Up to 8 longitudinal mounds, however, may appear in the corpus uteri. The epithelial cells of the endometrium are characterized by extended depots of glycogen, sometimes disintegrated by electronopaque areas. Numerous elongated mitochondria are located particularly in the supranuclear region. Cisternae of the rough endoplasmatic reticulum are rare. Golgi bodies are not very prominent. Small secretory granules of different structure are located particularly in the supranuclear region. During late anestrous, however, these granules occur in the apical cell region. Other characteristic organelles of the endometrial epithelium are lamellar bodies of varying size, shape and structure. Possibly they are lysosomelike deposits of phospholipids. Up to now development and function of these lamellar bodies are unknown. Ciliated cells are rarely seen during anestrous. Light cells with dendritic processes--similar to the cells of Langerhans--are also visible among the columnar epithelial cells. The uterine gland cells are nearly free of glycogen and lamellar bodies. But secretory granules of varying size do exist during the whole anestrous.
采用扫描电子显微镜（SEM）和透射电子显微镜（TEM）对处于静止期的水貂子宫（子宫体和子宫角）进行了检查。子宫角的子宫内膜在角的系膜对侧形成5个纵向隆起和一系列呈环状排列的黏膜枕。然而，子宫体中可能出现多达8个纵向隆起。子宫内膜上皮细胞的特征是糖原储存丰富，有时会被电子致密区分解。大量细长的线粒体特别位于核上区。粗面内质网的潴泡很少见。高尔基体不是很突出。不同结构的小分泌颗粒特别位于核上区。然而，在静止期末期，这些颗粒出现在细胞顶端区域。子宫内膜上皮的其他特征性细胞器是大小、形状和结构各异的板层小体。它们可能是类似溶酶体的磷脂沉积物。到目前为止，这些板层小体的发育和功能尚不清楚。在静止期很少见到纤毛细胞。在柱状上皮细胞中也可见到具有树突状突起的亮细胞——类似于朗格汉斯细胞。子宫腺细胞几乎不含糖原和板层小体。但在整个静止期确实存在大小不一的分泌颗粒。
