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©The Author(s) 2025.
World J Methodol. Dec 20, 2025; 15(4): 102408
Published online Dec 20, 2025. doi: 10.5662/wjm.v15.i4.102408
Published online Dec 20, 2025. doi: 10.5662/wjm.v15.i4.102408
Table 4 Skeletal vs gastrointestinal smooth muscle: Similarities and dissimilarities
Feature | Skeletal muscle | Gastrointestinal smooth muscle |
Excitable tissue | Yes | Yes |
Contractile proteins | Actin and myosin | Actin and myosin |
Sarcoplasmic reticulum | Yes | Yes |
Contraction mechanism | Sliding filament | Sliding filament |
Calcium dependence | Yes | Yes |
Control | Voluntary | Involuntary |
Innervation | Motor neurons | Autonomic nervous system |
Hormonal regulation | Yes | Yes |
Attachment to bone | Yes | No |
Fiber nuclei | Multinucleated | Uninucleated |
Fiber arrangement | Bundles of striated (striped) fibers | Sheets or layers of non-striated fibers |
Contraction speed | Fast and powerful | Slow and sustained |
Contraction pattern | Brief bursts | Tonic (sustained) |
Dominant respiration | Anaerobic | Aerobic |
Regeneration | Limited | Better capacity |
Fatigue resistance | Susceptible | Highly resistant |
Main control system | Central nervous system | Enteric nervous system |
- Citation: Al-Beltagi M, Saeed N, Bediwy A, Elbeltagi R. Navigating gastrointestinal challenges in genetic myopathies: Diagnostic insights and future directions. World J Methodol 2025; 15(4): 102408
- URL: https://www.wjgnet.com/2222-0682/full/v15/i4/102408.htm
- DOI: https://dx.doi.org/10.5662/wjm.v15.i4.102408