Anal

Anorectal dysentery is a disease of chronic sacral canal after abscess ulcers around the anus and rectum, the pus drips, does not close for a long time. Also known as hemorrhoids, scabies. It is generally composed of a primary inner mouth, a pipeline and a secondary outer mouth. "Sacral canal" refers to the passage between two openings, while the inner mouth of the anal canal canal is in the anorectum and the outer mouth occurs around the anus. Many people have a wrong concept, mistakenly believe that the sacral canal is caused by inflammation of hemorrhoids, so it is called "hemorrhoids"