Anal Fissure and Haemorroids
Terms You Should know
Anal Sphincter : Muscles around the anal canal that contract, closing the anus to prevent the expelling of stool. Anorectal : Pertaining to the anus and rectum Anus : The opening at the end of the large intestine ( rectum) that expels stool. See also large intestine. Bowel : The small or large intestine. Colon : A portion of the large intestine not including the rectum. Colorectal : Pertaining to the colon and rectum. Consitpation : The infrequent or difficult passage of hard, dry stools. Diarrhoea : Loose or watery and often frequent bowel movements. Fibre : A food substance that resists chemical digestion and passes through the system relatively unchanged. Haemorrhoid : A swollen vein in or around the anus. Impaction : Pressed firmly together so as to be immovable, often causing an obstruction. Intestines : The portion of the digestive tract that extends from the stomach to the anus. The term intestines includes the small and large intestines. Large intestine: A muscular tube that extends from the end of the small intestine ( ileum) to the anus. Laxative : A medicine that helps relieve constipation. Parianal : The area located around the anus. Rectum : The lowest portion of the large intestine. Sigmoid colon : The lower part of the large intestine that connects to the rectum. Sphincter : A circular band of muscle that acts as a valve. Stool : Waste products such as food residue expelled from the body through the rectum and anus. Also referred to as faeces.
An anal fissure is a small tear or cut in the lining of the anus which can cause pain and/or bleeding.
Symptoms, Causes and Diagnosis
Symptoms of Internal and External Haemorrhoids