Fistula: Fistulæ. Small canals or tubes which carry pus or other liquids through the flesh.
Fistula, Urinary. The abnormal communication between the urinary passages and the external surface.
Fistulous openings. The outer end of canals or tubes which carry pus to the surface.
Flatulency. Wind gathered in the stomach or bowels.
Flexion of the Womb. A partial misplacement in which the womb is bent upon itself.
Flexures. Bending. Motion of a joint.
Flocculent. Combining or adhering in flocks or flakes.
Fluid Extracts. The active principles of medicines in fluid form.
Foetus. The unborn child.
Follicles (of hair). Small depressions in the skin.