arthritis increased susceptibility to induced arthritis MP:0003724 MPheno.ontology decreased resistance to induced arthritis more likely to be stricken with changes in the synovial membranes and thickening of articular structures, widespread degeneration of the collagen fibers in connective tissues, and by atrophy and rarefaction of bony structures that are induced by inflammatory responses caused by chemical or mechanical agents increased susceptibility to autoimmune disorder