Histological difference between skeletal and cardiac musckes pdf
skeletal muscle histology cross section longitudinal
cardiac muscle histology intercalated disc H&E stain
Skeletal vs Cardiac Muscle Histology
PDF Document · PDF
| Section | Content |
|---|---|
| 1. Introduction | Why both are "striated" yet histologically distinct |
| 2. Skeletal Muscle | Cell structure, fiber types table (Type I/IIa/IIb), LM appearance with image |
| 3. Cardiac Muscle | Cell structure, intercalated discs in detail, T-tubule/SR diads, TEM image |
| 4. Comprehensive Comparison Table | 17-row side-by-side comparison of every major feature |
| 5. Key Diagnostic Pointers | Quick-reference table for exam/histology spot questions |
| 6. Functional Significance | Why each structural difference matters clinically |
| 7. Summary + References | Concise recap and full citations |
| Feature | Skeletal | Cardiac |
|---|---|---|
| Nuclei | Multiple, peripheral | Single (rarely 2), central |
| Intercalated discs | Absent | Pathognomonic — contain gap junctions, fascia adherens, desmosomes |
| T-tubule complex | Triad (2 SR cisternae) at A-I junction | Diad (1 SR cisterna) at Z line |
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