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Intercalated discs are found in...

Intercalated discs are found in

A

skeletal muscles

B

smooth muscles

C

cardiac muscles

D

striated muscles

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Identify the Structure**: The question asks about intercalated discs. These are specialized structures found in certain types of muscle tissue. 2. **Determine the Type of Muscle**: Intercalated discs are specifically associated with cardiac muscle, which is a type of striated muscle. 3. **Location of Cardiac Muscle**: Cardiac muscle is found only in the heart. It is responsible for the involuntary contractions that pump blood throughout the body. 4. **Characteristics of Cardiac Muscle**: Cardiac muscle fibers are unique because they are branched and typically have a single nucleus. The fibers are interconnected by intercalated discs. 5. **Function of Intercalated Discs**: Intercalated discs contain gap junctions and desmosomes. Gap junctions allow for the rapid transmission of electrical impulses (depolarization) between cells, while desmosomes help hold the muscle fibers together during contractions. 6. **Conclusion**: Based on the above points, we conclude that intercalated discs are found in cardiac muscles. 7. **Final Answer**: The correct answer is option C: Cardiac muscles. ---
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