Most of the post-septal part of the nephridial tube is secretory. 腎管的后隔膜大部分具有分泌作用。
The ultrastructural features showed some relationship between increased secretory activity and the extent of peritumoral edema. 超顯微結構分析顯示腫瘤內,分泌作用的增加可能與腦瘤周?chē)[的發(fā)生有關(guān)。