Fig. 4
From: StreptInCor: a model of anti-Streptococcus pyogenes vaccine reviewed
Histological analysis of the heart tissue chambers with special focus on the valves Photomicrograph of a four-chamber histological section of the heart of an HLA class II transgenic mouse immunized with StreptInCor and followed for 9 months. No morphological alterations were observed in the right atrium (RA), tricuspid valve (Tr), right ventricle (RV), ventricular septum (S), left atrium (LA), mitral valve (Mi), left ventricle (LV) or aortic valve (Ao). Hematoxylin and eosin (H&E) staining 50×