Question

Odland bodies found in the stratum spinosum are modified form of:

• A. Mitochondria
• B. Lysosomes
• C. Lamellar bodies
• D. Ribosomes

Hint:

Odland bodies (membrane-coating granules) are modified lysosomes that help form the epithelial permeability barrier.

Answer 1

The Correct Option is B

Step 1: Identify Odland bodies.
Odland bodies are also known as membrane-coating granules or lamellar granulesThey are present in the stratum spinosum and stratum granulosum of stratified squamous epithelium
Step 2: Understand their origin.
These granules are considered modified lysosomesThey contain lipid-rich material and enzymes that are released into the intercellular spaces to contribute to the permeability barrier of the epithelium
Step 3: Evaluate options.
(A) Mitochondria: Involved in energy productionNot related to Odland bodies
(B) Lysosomes: CorrectOdland bodies are modified lysosomes containing lipid and hydrolytic enzymes
(C) Lamellar bodies: Although Odland bodies are also called lamellar granules, their origin is from lysosomes
(D) Ribosomes: Responsible for protein synthesisNot related
Step 4: Conclusion.
Therefore, Odland bodies are modified forms of lysosomes