| Johne's bacillus, disease |
see Mycobacterium paratuberculosis and under disease.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Johne's d. |
a usually fatal form of chronic enteritis due to Mycobacterium paratuberculosis, affecting chiefly cattle but also sheep, goats, and deer. It remotely resembles a tuberculous infection and is marked by intermittent or persistent diarrhea, progressive emaciation, anemia, and extreme weakness. Called also chronic dysentery of cattle and paratuberculosis.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| johnin |
a filtrate of cultures of Mycobacterium paratuberculosis (Johne's bacillus), similar to tuberculin, used to produce a skin reaction (johnin reaction) in testing cattle for Johne's disease.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| johnin r. |
a skin reaction like the tuberculin reaction, produced by filtrates of cultures of Mycobacterium paratuberculosis (see johnin); used in the diagnosis of Johne's disease in cattle.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Johnson m. |
a modification of the Callahan method (def. 1) of root canal therapy; the canal is first flooded with alcohol, allowing diffusion of the chloroform component of the chloroform-rosin solution; alcohol deep in the dentin facilitates rosin dissolved in the chloroform to be diffused into the dentin.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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