Anatomy Abdomen and pelvis 287cbb38

Length of anal canal

10 - 15 mm

15 - 20 mm

25 - 30 mm

35 - 40 mm

High-Yield Explanation

The length of the anal canal is about 4 cm (range, 3-5 cm), with two thirds of this being above the pectinate line (also known as the dentate line) and one third below the pectinate line ref - BDC 6e vol2 pg413

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Length of anal canal

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