Anatomy and Embryology of the anus, Rectum, and Colon, Physiology of the colon, Diet and Drugs in colorectal surgery, Evaluation and diagnostic techniques, Flexible Sigmoidoscopy and colonoscopy, Setting up a colorectal physiology laboratory, Analgesia in colon and rectal surgery, Hemorrhois, Anal fissures, Anorectal abscess, Analfistula.