johnin — A product used as a diagnostic agent, analogous to tuberculin but made from Mycobacterium paratuberculosis (the causative organism of Johne disease) grown in a broth medium containing Mycobacterium phlei (timothy hay bacillus); used as an… … Medical dictionary
johnin reaction — a skin reaction like the tuberculin reaction, produced by filtrates of cultures of Mycobacterium avium subsp. paratuberculosis (see johnin); used in the diagnosis of Johne disease in cattle … Medical dictionary
johnin — joh·nin … English syllables
johnin — ˈyōnə̇n noun ( s) Etymology: john (from Johne s bacillus) + in : a sterile solution of the growth products of Johne s bacillus made in the same manner as tuberculin and used to identify Johne s disease by skin tests, conjunctival reactions, or… … Useful english dictionary
Tough movement — In formal syntax, tough movement is a term used to describe sentences of the form::(1) This problem is tough to solve.:(2) John is easy to please.The phenomenon is informally named like this because example sentences like (1) typically involve… … Wikipedia
Johne — H. Albert, German physician, 1839–1910. See johnin … Medical dictionary