Lamellar bodies

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Alveolar type II cell. The lamellar bodies can be seen leaving the surface of the cell.
Alveolar type II cell. The lamellar bodies can be seen leaving the surface of the cell.

Lamellar bodies (or keratinosomes) are secretory organelles found in type II pneumocytes. The phospholipids stored there, based on choline, serve as pulmonary surfactant after being released from the cell.

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