acinus
/ˈæsɪnəs/ noun
Forms acini
- noun (botany) One of the small grains or drupelets which make up some kinds of fruit, as the blackberry, raspberry, etc.
- noun (botany) A grape-stone.
- noun (anatomy) 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.
Etymology
Unadapted borrowing from Latin acinus (“grape, grape-stone”); the histopathologic sense comes figuratively from the fancied resemblance (on microscopy) of acinic cells (acinar cells) to bunches of drupelets, berries, or grapes.
Webster’s 1913
- noun (a) One of the small grains or drupelets which make up some kinds of fruit, as the blackberry, raspberry, etc. (b) A grapestone.
- noun 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. Quain.
Etymology [L., grape, grapestone.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “acinus”, CC BY-SA 4.0. Details