a: A holder for the sample holders. b: General use sample holders. c: Sample holder to scan a zebra fish head. d: Sample holder to scan critically point dried mouse lung samples. e: Sample holder (with liquid-proof lid) to scan excised rat brains. f: Sample holder (with liquid-proof lid) to scan five mouse ears with tumors at the same time. The dots at the bottom help to distinguish the sample chamber, making the reconstruction of a ROI easily possible