Question:
The plasma membrane of muscle cell is called
The plasma membrane of muscle cell is called
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The prefix "sarco" comes from the Greek word for flesh. Memorizing these prefix translations can help you quickly identify anatomical terms:
- Sarcolemma = Membrane
- Sarcoplasm = Cytoplasm
- Sarcoplasmic Reticulum = Endoplasmic Reticulum
- Sarcolemma = Membrane
- Sarcoplasm = Cytoplasm
- Sarcoplasmic Reticulum = Endoplasmic Reticulum
Updated On: Jul 8, 2026
- Sarcoplasm
- Sarcomere
- Sarcolemma
- Sarcoplasmic reticulum
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
Muscle cells (muscle fibers) feature specialized terminology for their cellular organelles and membranes, using the prefixes "sarco-" or "myo-".
Step 3: Detailed Explanation:
Let us define each of the given muscular terms:
• Sarcolemma: The specialized outer plasma membrane of a muscle cell, which is surrounded by an outer coat of polysaccharide material containing thin collagen fibrils. It is responsible for conducting action potentials.
• Sarcoplasm: The cytoplasm of a muscle fiber, containing high amounts of glycosomes and myoglobin.
• Sarcomere: The basic structural and functional contractile unit of myofibrils, bounded by adjacent Z-discs.
• Sarcoplasmic reticulum: The specialized smooth endoplasmic reticulum of muscle fibers that stores and releases calcium ions (\(\text{Ca}^{2+}\)) to regulate contraction.
Step 4: Final Answer
The plasma membrane of a muscle cell is called the sarcolemma.
Muscle cells (muscle fibers) feature specialized terminology for their cellular organelles and membranes, using the prefixes "sarco-" or "myo-".
Step 3: Detailed Explanation:
Let us define each of the given muscular terms:
• Sarcolemma: The specialized outer plasma membrane of a muscle cell, which is surrounded by an outer coat of polysaccharide material containing thin collagen fibrils. It is responsible for conducting action potentials.
• Sarcoplasm: The cytoplasm of a muscle fiber, containing high amounts of glycosomes and myoglobin.
• Sarcomere: The basic structural and functional contractile unit of myofibrils, bounded by adjacent Z-discs.
• Sarcoplasmic reticulum: The specialized smooth endoplasmic reticulum of muscle fibers that stores and releases calcium ions (\(\text{Ca}^{2+}\)) to regulate contraction.
Step 4: Final Answer
The plasma membrane of a muscle cell is called the sarcolemma.
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