A network tubular system is an important structure in the body and organ of metazoa.The lumen of tube is fundamental units in the structure,which serve to transport material,divide the organ into different functional compartments and separate the organ from the environment.The defects of lumen formation will lead to abnormalities of the organ morphogenesis and disorder of the function.Zebrafish(Danio rerio)is an important model for development research.Meanwhile easy observation of tubular organ,the relevan...