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Musclecellstructures
Muscle cell structures and what they do
| Term | Definition |
|---|---|
| Mitochondria | Makes ATP |
| Sarcolemma | Plasma membrane |
| Transverse tubules | Extensions of sarcolemma |
| Sarcoplasm | Cytoplasm of muscle fiber |
| Sarcoplasmic reticulum | Houses calcium |
| Myofibril | Contractile organelle found only in muscle |