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A, ATPase histochemical staining of normal muscle showing checkerboard distribution of intermingled type 1 (light) and type 2 (dark) fibers.
Special staining technique to separate muscle fibers
Lt. A cluster of atrophic fibers (group atrophy) in the center (arrow).
Rt. Fibers of either histochemical type (I & II) are grouped together after reinnervation of muscle. (cf. fig.. 12-31)
Neurogenic muscle atrophy
A boy with Duchenne muscular dystrophy (DMD) demonstrating pseudohypertrophy of his calves
Duchenne muscular dystrophy (DMD)
There is variation in muscle fiber size, increased endomysial connective tissue, and regenerating fibers (blue hue).
Duchenne muscular dystrophy (DMD)
المشاهدات: لقد قام 5 أعضاء و 69 زائراً بقراءة هذه المحاضرة
