Fig. 3From: Diversity of Escherichia coli strains involved in vertebral osteomyelitis and arthritis in broilers in BrazilHistopathology of osteomyelitis and arthritis in broilers. a Vertebral osteomyelitis showing enlargment of vertebral body (T4) by caseonecrotic material (remanescent, arrow), which compresses spinal cord (*); HE. b Caseonecrotic hererophilic and histiocytic exudate (*) in the articular space with intralesional bacterial colonies (arrow); HE. Inset: Gram-negative bacteria stained by Goodpasture. c Necrotic synovitis (arrow) associated with caseonecrotic exudate within the articular space (*); HE. d Proximal growth plate (physis) of tibiotarsus showing extensive necrosis (*) with heterophilic exudate in a case of tibial osteomyelitis; HEBack to article page