n 1  cap  :  a genus of actinomycetes that have well developed, branching, septate mycelia bearing single spores that are sessile or on short or long sporophores and that include several antibiotic-producing forms (as M. purpurea, the source of gentamicin)  2  pl  -rae   :  any bacterium of the genus Micromonospora .
 
 
 
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