Fig. 5From: Cardiopulmonary and inflammatory biomarkers in heartworm diseaseImmunostaining for D-dimer in pulmonary arteries of heartworm-infected dogs. a aggregates of microfilariae surrounded by positive staining for D-dimer (40×). b deposits of D-dimer in the endothelium of a pulmonary artery (100×). Images courtesy of the co-authors of Carreton et al., Reference [85]Back to article page