The secretorysystem of the respiratory tract is probably the most appreciated.
呼吸道的分泌系统可能是最先被意识到的。
2
The probable general secretory pathway transmembrane protein (GSP) gene cluster is the center of the type II secretorysystem.
型分泌系统主要以分泌途径转膜蛋白（GSP）基因簇为中心。
3
Objective:To study the numerical deviation of chromosome of 18, X and Y in blastomeres developed in vitro and effects of culture system on granulosa cells secretory function.