F
Fecal.—Pertaining to feces.
Feces.—Matter discharged from the bowels; bowel movement.
Fermentation.—Decomposition produced in an organic substance by the action of certain living agents.
Fission.—The process by which a cell divides into two parts.
Flagellum (pl. flagella).—A long hair-like appendage, by the action of which certain micro-organisms are enabled to move.
Flex.—To bend at a joint.
Fomentation.—[See Stupe.]
G
Gastric Juice.—The fluid secreted by the glands of the stomach.