CPB Ljubljana 2018 course book

Anatomical Definitions

ANAL CANAL : ➢ 3 - 4 cm long ➢ from the anorectal junction ➢ to the peri-anal skin

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pectinate (dentate) line is at mid-canal ----------

• ANAL MARGIN :

➢ From the canal –margin junction ➢ To the skin (5 cm diameter)