... any specific disease. Nowusually classified as coxsackie viruses.See also enteroviruses; reovirus.Eck fistula See fistula.EC numbers Systematic classification of enzymes by the class,subclass, sub-subclass ... class,subclass, sub-subclass and individual reaction classified, shown as EC x.x.x.x. The classes are: (1) oxidoreductases, (2) trans-ferases, (3) hydrolases, (4) lyases, (5) isomerases, (6) ligases (synthetases).E. ... in foods in most countries(E-127, Red number 3 in USA; the sodium or potassium salt of 2,4,5,7-tetraiodofluorescein). Used in preserved cherries,sausages and meat and fish pastes; it is unstable...