Neuromuscular

MUSCLE FIBER TYPES

2C fibers
Disorders
Staining: Histochemistry


Muscle Fiber Types


ATPase pH 4.3
ATPase pH 4.3 stain

ATPase pH 4.3 stain


ATPase pH 4.6 stain
ATPase pH 4.6 stain

ATPase pH 4.6 stain


ATPase pH 9.4 stain
ATPase pH 9.4 stain

ATPase pH 9.4 stain

Type 2C (Immature) muscle fibers


Type 2C muscle fibers: Increased numbers (Same muscle biopsy as above) with normal fiber morphology
  Fiber size: Mild variation
  No regenerating, or morphologically immature, muscle fibers

H&E stain

VvG stain
Internal architecture
  Unremarkable
  Rare internal nucleus

Gomori trichrome stain

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7/20/2016