Spirillum

(spi-ril’um), pl. spiril’la [L. “ coil”). A genus or form of coil-like, schizomycetic microdrganisms, differing from Spirocha’te in being stiff. amyl if’erum, a saprophytic species from water. 8. an’serum, a pathogenic species from geese affected with septicemia. 8. aquat/‘ilis, a saprophytic species from river-water. 8. attenua’- tum, a saprophytic species from sea-water. 8. au’reum. See under Vibrio. 8. berolinen’se, a saprophytic species from water. 8. bonhoff'ii, a saprophytic species from water. 8. bucca’‘le, a species from the tartar of the teeth. S. chol’- er@ asiat’ices, the common bacillus from the stools of patients with epidemic cholera. — It occurs in actively motile, curved bacilli, often arranged in the form of a semicircle or of the letter S. It is the cause of epidemic cholera. 8. concen’tricum, a non-pathogenic form from putrid blood, in actively motile, screw-like rods. . danu’bicum, a saprophytic species from water. Deneke’s 8. Sce S. fyrogenum. 8. σπινθήρ Spin- 1..Any diseased condition ᾿