arachnia propionica

1 definition found

arachnia propionica - Collaborative International Dictionary of English v.0.48 :

  Actinomycosis \Ac`ti*no*my*co"sis\
     ([a^]k`t[i^]*n[-o]*m[imac]*k[=o]"s[i^]s), n. [NL.] (Med.)
     A chronic infectious disease of cattle and man due to
     infection with actinomycetes, especially by Actinomyces bovis
      in cattle and by Actinomyces israeli or Arachnia propionica
      in man. It is characterized by hard swellings
     usually in the mouth and jaw. In man the disease may also
     affect the abdomen or thorax. In cattle it is called also
     lumpy jaw or big jaw.
     [Webster 1913 Suppl. + AS]