As of Dec. 15th in "Current Biology":
Endorphin plays traffic cop to organs
The photo prints are only free of charge if a report is being written about the university.
Please use the reference: University of Hohenheim or the source mentioned below the picture
A cross-section of the embryo before cell alignment, the outer cells becoming serotin-rich.
The distribution of serotin (in red) in a 10-hr. old frog embryo.
Nuclei with cilia: cells with one cilium are green, cells without cilium are red and cells with abnormal cilia orientation are violet.