Definition of ACINUS
- one of the small drupelets or berries of an aggregate, baccate fruit, as the blackberry
- berry, as a grape or currant
- a. minute rounded lobule b. the smallest secreting portion of a gland
- a small sacklike division of a gland [n ACINI]
- a small, saclike division of a gland [n ACINI] : ACINAR [adj], ACINIC [adj], ACINIFORM [adj], ACINOSE [adj], ACINOUS [adj]