Anatomy of the Anus
I will explain the basic anatomy of the anus with an anatomical chart and typical cases of hemorrhoidal disease

Hemorrhoid
Discharges blood from the anus. Anal prolapse occurs when defecating. The anus swells up and hurts.

Anal Fistula
A hole forms after the anus suppurates(periprocta l abscess), and the discharge of pus does not stop.

Anal Fissure
There is severe pain when defecating. The pain continues for a while after defecating. preventing hemorrhoids

To Prevent Getting Hemorrhoids
To prevent your hemorrhoids from getting any worse.

Observing Surgery
Please do not view this if looking at blood makes you uneasy.