Zylberberg L
J Biol Buccale. 1976 Sep;4(3):237-59.
The anuran Amphibians have a well developed tongue which is either protractile or attached to the floor of the buccal cavity according to the species. The lingual glands of the papillary dorsal side consist of simple tubules. The stratified epithelium of the ventral and lateral sides of the tongue is composed of mucous and muco-serous cells inserted between the covering ciliated cells. Filiform pappillae and glands have a simple epithelium with numerous outer ciliated cells and glandular cells. The latter eleborate a product rich in glycosaminoglycans, more or less acid according to the species, associated with proteins. The lingual gland secretion is composed of proteins; when present, glycosaminoglycans are less abundant and less acid than those produced by the outer glandular cells. The histochemical and ultrastructural characters of the lingual glands of Anurans are compared to those of Apoda and Caudata previously studied by the same techniques.
无尾两栖动物有一条发育良好的舌头，根据物种不同，它要么可伸缩，要么附着在口腔底部。舌背侧乳头的舌腺由简单的小管组成。舌腹侧和外侧的复层上皮由插入覆盖的纤毛细胞之间的黏液细胞和黏液浆液细胞组成。丝状乳头和腺体有一层简单的上皮，有许多外部纤毛细胞和腺细胞。后者分泌一种富含糖胺聚糖的产物，根据物种不同或多或少呈酸性，并与蛋白质相关。舌腺分泌物由蛋白质组成；如果存在糖胺聚糖，其含量比外部腺细胞产生的糖胺聚糖少，酸性也弱。将无尾两栖动物舌腺的组织化学和超微结构特征与之前用相同技术研究过的蚓螈目和有尾目动物的特征进行了比较。
