Acinus

One of the small grains or drupelets which make up some kinds of fruit, as the blackberry, raspberry, etc.

A grapestone.

One of the granular masses which constitute a racemose or compound gland, as the pancreas; also, one of the saccular recesses in the lobules of a racemose gland.

one of the small sacs or saclike dilations in a compound gland

one of the small drupes making up an aggregate or multiple fruit like a blackberry