Tyrothrix

(ti'-ro-thriks). A Table genus of. of Schizomycetes. See Bacteria, Synonymatic Tyro toxic on (ti-ro-toks'-ik-on). A ptomain obtained by Vaughan from poisonous cheese, poisonous milk, poisonous ice-cream, etc. Chemically it is very unstable; it may disappear altogether in twenty-four hours from milk rich with the poison. It induces vertigo, nausea, vomiting, chills, rigors, severe pains in the epigastric region, dilatation of the pupils, griping and purging, a sensation of numbne , or " pins and needles," especially in the limbs, and marked prostration, or death. The symptoms may vary somewhat in different individuals. The poison is thought to be the cause of the summer diarrhea of infants. See Ftomains, Table of.