Fiber types in the striated urethral and anal sphincters

  title={Fiber types in the striated urethral and anal sphincters},
  author={Henrik Daa Schr\oder and Edith Reske-Nielsen},
  journal={Acta Neuropathologica},
Seven normal human striated urethral and anal sphincters obtained by autopsy were examined using histochemical techniques. In both the urethral sphincter and the subcutaneous (s.c.) and superficial part of the anal sphincter a characteristic pattern with two populations of muscle fibers, abundant connective tissue, and numerous intramuscular nerves are seen. No spindles are observed. The muscle fibers, particularly the predominant type 1 fibers are very small (about 15 μm in diameter). The… CONTINUE READING

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