+fermentation.+ Such changes as are effected exclusively by the vital action of ferments. +fibrin.+ Active agent in blood coagulation. +fibroma.+ A tumor of fibrous tissue. +fibrous.+ Composed of fibres. +fibula.+ External and smaller of the two bones of the leg. +fissure.+ A crack in the tissues. +fistula.+ A pathologic sinus leading from an abscess cavity to the surface. +flagella.+ The whiplike processes with which certain cells, as the ameba, are provided. +flexion.+ Bending. +fluorescence.+ Power of a body to change wave-rate (or color) of light passing through it. +focus.+ Point at which light rays meet. The starting point of a disease process. +follicle.+ A small secretory cavity or sac. +form.+ Shape, as in vermiform, resembling a worm in shape. +formaldehyde.+ A gas possessing powerful disinfectant properties. +fracture.+ A break, as of a bone. +fulcrum.+ The point against which lever is placed to get purchase. +fungating.+ Rapidly growing (path.). +fungus (plural fungi).+ A cellular vegetable organism which feeds on organic matter. Example, bacteria. +furunculosis.+ The systemic condition marked by boil-formation. +G+ +gangrene.+ A necrosis with putrefaction. +gastrostomy.+ Making an artificial opening into the stomach. +gelatinous.+ Resembling gelatine, a semi-liquid substance. +genesis.+ Birth of, belonging to, as in genesial, relating to generation. +germicide.+ An agent destructive to germs. +globular.+ Shaped like a globe. +gonorrhoea.+ A specific inflammation of the mucous membrane of the genital tract; germal cause, gonococcus. +gout.+ Podagra. A disease of metabolism characterized by paroxysmal pains in the foot, particularly in the great toe. +gradus.+ Step by step, as in graduated, marked by lines or in other ways to denote capacity. +granular.+ Composed of grains or granulations. +granuloma.+ A collection of epitheloid cells at an irritated point. +gumma.+ A gummy tumor resulting from a peculiar caseation of a teritary syphilitic inflammatory deposit. +H+ +habitat.+ The natural locality of an animal or a plant; impregnated; saturated with. +hallux rigidus.+ First phalanx of the great toe is flexed at an angle of 30° with extension of the second phalanx. +hallux valgus.+ Outward rotation of big toe beyond an angle of 15°. +hallux varus.+ Pigeon toe. +heloma.+ Same as corn or callus. +heloma durum.+ Hard or indurated corn. +heloma miliare.+ A millet-seed corn. +heloma molle.+ Soft corn. +heloma vasculare.+ A corn of the vascular variety. +hema.+ Blood, as in hemoglobin, an iron compound in the red blood. +hematoma.+ A tumor containing blood. +hemorhage.+ A flow of blood. +hemophelia.+ Abnormal tendency to hemorrhage. +hemostatic.+ Capable of arresting hemorrhage. +hereditary.+ Transmitted from parent to offspring. +hernia.+ Rupture; protusion of a structure thro the wall which ordinarily contains it. +herniotomy.+ Operation for the relief of hernia.