Fissure
Fissure: A cleft or groove. A fissure can be normal or abnormal.
A fissure in the cerebral cortex is a normal feature. It is a deep fold that involves the entire thickness of the brain wall.
A fissure in the anus is abnormal. It is a painful crack in the edge of the anus and is very painful. Also called an anal fissure or fissure in ano.
Read Also:
- Fistula
Fistula: An abnormal passageway in the body. The fistula may go from the body surface into a blindpouch or into an internal organ or go between two internal organs. For a common example, an anal fistula has an opening in the skin near the anus that leads into a blind pouch or may connect through […]
- Fistulize
Fistulize: To form or make a fistula, an abnormal passageway. As, for example, fistulizing Crohn’s disease.
- Five-day fever
Five-day fever: Also called trench fever, this is a disease borne by body lice that was first recognized in the trenches of World War I, when it is estimated to have affected more than a million people in Russia and on the fronts in Europe. Trench fever was again a major problem in the military […]
- Fixation, external
Fixation, external: A procedure that stabilizes and joins the ends of fractured (broken) bones by a splint or cast. External fixation is as opposed to internal fixation in which the ends of the fractured bone are joined by mechanical devices such as metal plates, pins, rods, wires or screws.
- Fixation, internal
Fixation, internal: A surgical procedure that stabilizes and joins the ends of fractured (broken) bones by mechanical devices such as metal plates, pins, rods, wires or screws. Internal fixation is as opposed to external fixation of a fracture by a splint or cast.