|pagebody = Nocardia species are facultative intracellular aerobic organisms that grow non-motile short branching rods. They can be grown on Sabouraud dextrose agar - they will release spores from aerial filaments when cultured. The cell wall contains mycolic acid so they are acid fast when stained.
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Clinically, Nocardia organisms cause pyogranulomatous diseases in most animal species.