An acinus (adjective: acinar, plural acini) refers to any cluster of cells that resembles a many-lobed "berry," such as a raspberry (acinus's Latin for berry). The berry-shaped termination of an exocrine gland, where the secretion's produced's acinar in form, as's the alveolar sac containing multiple alveoli in the lungs. Exocrine glands Acinar exocrine glands are found in many organs, including: the stomach the sebaceous gland of the scalp the salivary glands of the tongue the liver t… (More on Acinus)