Odland bodies

Other Names

Odland bodies – Also Called as
1Lamellar granules
2Lamellar bodies
3Membrane-coating granules (MCGs)
Odland bodies

Odland bodies primarily

A. Helps Structural support

B. Secretory organelles

C. Produce fibrocytes

D. Cause Pigmentation

Odland bodies are mostly found in

A. Type I pneumocytes

B. Type II pneumocytes

C. Alveolar macrophages

D. Dust cells

Which is stored in the lamellar bodies and serve as pulmonary surfactant after being released from the cell?

A. Phosphatidylinositols 

B. Phosphatidylcholine 

C. Phosphatidylethanolamine 

D. Phosphatidylserine


Phosphatidylcholine molecules form 85% of the lipid in surfactant.

Phosphatidylglycerol forms about 11% of the lipids in the surfactant

Type II alveolar cells

Lipids diffuse from the blood into type II alveolar cells where they are assembled and packaged for secretion into secretory organelles called lamellar bodies

Strongest surfactant molecule

Dipalmitoylphosphatidylcholine (DPPC) is the strongest surfactant molecule in the pulmonary surfactant mixture.

Lamellar bodies are secreted from keratinocytes

In the upper stratum spinosum and stratum granulosum layers of the epidermis, lamellar bodies are secreted from keratinocytes, resulting in the formation of an impermeable, lipid-containing membrane that serves as a water barrier and is required for correct skin barrier function.

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