The length of the anal canal.

  title={The length of the anal canal.},
  author={Santhat Nivatvongs and Hartley S. Stern and David S. Fryd},
  journal={Diseases of the colon and rectum},
  volume={24 8},
The authors measured the length of the surgical anal canal (anorectal ring to anal verge) in 108 men and 103 women; the age ranged from 18 to 90 years (average 59 years). The average length of the surgical anal canal was 4.2 cm (range 3.0-5.3 cm). In men the average length was 4.4 cm (range 3.2-5.3 cm) compared with the average length of 4.9 cm (range 3.0-5.0 cm) in women (P less than 0.001). The average length of the anatomic anal canal (dentate line to anal verge) was 2.1 cm (range 1.0-3.8 cm… CONTINUE READING
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