- Note thin fibers, with diameter not much greater than that of the nucleus (about 5 µm).
- Each fiber is an individual cell, with length ranging from 20 to half a millimeter (depending on location in the body).
- Individual fibers are often not readily distinguishable (unlike skeletal muscle, where individual fibers are huge and distinct).
- Nuclei are normally long and cigar-shaped (they may appear wiggly in contracted muscle).
Compare and contrast three types of muscle. Click on an image below for a wider view.
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SIUC / School
of Medicine / Anatomy / David
Last updated: 16 December 2003 / dgk