Noun

• (medicine) An abnormal connection or passageway between organs or vessels that normally do not connect.
• (rare) A tube, a pipe, or a hole.
• (Christianity, historical) The tube through which the wine of the Eucharist was once sucked from the chalice.

Synonyms

• (tube): pipe, tube

Exemple

• Small fistulæ are to be closed bilaterally in an antero-posterior line […]
• There are several reasons why a manual on this disease should be a part of the veterinary literature of the day, the chief one being that fistula of the withers is a very prevalent disease of horses and thus exacts a big toll from the horse industry.
• Fistulas are abnormal communications between two epithelialized surfaces. The causes of enterocutaneous fistulas can be remembered using the mnemonic FRIEND: Foreign body, Radiation, Inflammation/Infection/Inflammatory bowel disease, Epithelialization, Neoplasm, and Distal obstruction. Fifteen to twenty-five percent of enterocutaneous fistulas arise spontaneously as in, for example, Crohn’s disease or cancer.
• An intestinal fistula is an unwanted pathway from intestines to other organs .
• Synonym: calamus

Noun

• (pathology) A disorder in which a part of the body protrudes abnormally through a tear or opening in an adjacent part, especially of the abdomen.