The Gremelius argyrophilic staining and immunohistochemical ABC methods were used to study the property of the granular convoluted tubule(GCT) of rat submandibular gland.

• 用免疫组织化学ABC染色和镀银染色法研究大鼠下颌下腺颗粒曲管(GCT)细胞的属性。