Acinus

Acinus
Normal histology of the breast, including an acinus in lower image. The terminal duct connected to the magnified acinus is not within this microsection.
Centroacinar cells
Identifiers
THH2.00.02.0.03050
Anatomical terminology

An acinus (/ˈæsɪnəs/; pl.: acini; adjective, acinar /ˈæsɪnər/ or acinous) refers to any cluster of cells that resembles a many-lobed "berry", such as a raspberry (acinus is Latin for "berry"). The berry-shaped termination of an exocrine gland, where the secretion is produced, is acinar in form, as is the alveolar sac containing multiple alveoli in the lungs.

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