Cancer Mesothelium Mesothelium Cancer Mesothelium Cancer leslieericadism Saturday, March 10, 2018 Acinus wikipedia. An acinus (/ ˈ æ s ɪ n ə s /; plural, acini; adjective, acinar / ˈ æ s ɪ n ər / or acinous) refers to any cluster of cells...