Fluid

(flu' -id). A substance whose molecules move freely upon one another; any liquid constituent, or secretion of the body. See Amniotic, Candy's, Culture, Laoarraoue's, and other fluids. F. Extract. See Extractum Fluidum. F.-ounce. See Weights. F.-dram. See Weights. F., Scarpa's, the endolymph. F. Vein, the name given to the eddies produced in a cavity of the heart by regurgitating blood coming in contact with the current entering the cavity in the normal direction. The oscillation of the particles of blood are attended with a blowing sound or murmur.