Takasaki M, Kitamura N, Hondo E, Cottrell D F, Yamada J
Department of Veterinary Anatomy, Obihiro University of Agriculture, Japan.
Eur J Morphol. 1998 Feb;36(1):57-64. doi: 10.1076/ejom.36.1.57.9028.
This paper describes the three-dimensional construction of the reticular cell, cellula reticuli, in bovine reticulum and its ontogenetic development. Reticular cells of fetal suckling calf and adult tissues were investigated both at the surface of intact mucosa and macerated samples using scanning electron microscopy. At the third month of gestation, the formation of the reticular cells on the mucosal surface started from the center of the cell and just above the reticular crest. The reticular crests were observed on the surface of the macerated sample at an earlier period of gestation (third month). In the eighth month of gestation, primary, secondary and tertiary reticular crests and papillae could be observed from the mucosal surface. Macerated samples showed that those structures were already formed completely under the epithelium by the first half of the seventh month of gestation. It is suggested that the development of the reticular papillae starts from the lower to the upper parts of the reticular cell.
本文描述了牛网胃中网织细胞（cellula reticuli）的三维结构及其个体发育。使用扫描电子显微镜对胎儿哺乳期小牛和成年组织的网织细胞在完整黏膜表面和浸软样本上进行了研究。在妊娠第三个月，黏膜表面网织细胞的形成从细胞中心开始，就在网嵴上方。在妊娠早期（第三个月）浸软样本的表面观察到了网嵴。在妊娠第八个月，从黏膜表面可观察到初级、次级和三级网嵴及乳头。浸软样本显示，这些结构在妊娠第七个半月时已在上皮细胞下完全形成。提示网乳头的发育从网织细胞的下部向上部开始。
