acini

Definition: An acinus refers to any cluster of cells that resembles a many-lobed "berry", such as a raspberry (acinus is Latin for "berry").

This 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.

Types

 mucous acini

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Localisation - Examples

 salivary acini
 sinonasal acini
 bronchial acini
 pancreatic acini