Average Nucleus size of human skeletal muscle cell
The average "length" for normal human myonuclei is 11.75 µm according to the abstract for:

Watkins, S. C., &amp; Culien, M. J. (1988). A quantitative study of myonuclear and satellite cell nuclear size in Duchenne's muscular dystrophy, polymyositis and normal human skeletal muscle. The Anatomical Record, 222(1), 6-11.

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