Mark the odd word in each group: Sarcoplasm, sarcomere, neurilemma, sarcolemma

Explanation

To solve the question of marking the odd word in the group: Sarcoplasm, Sarcomere, Neurilemma, Sarcolemma, we can follow these steps:

### Step 1: Understand the Terms
- **Sarcoplasm**: This is the cytoplasm of a muscle cell, specifically found in skeletal muscle fibers.
- **Sarcomere**: This is the basic contractile unit of muscle tissue, which is part of the myofibrils in muscle cells.
- **Neurilemma**: This is the outermost layer of the nerve fiber, which is part of the nervous tissue.
- **Sarcolemma**: This is the cell membrane surrounding a muscle fiber.

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