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Fig. 4. In situ hybridization for ECE1 (A-C,G-I) and Cx40 (E-F,J-L) in E8-8.5
control (A-F) and gadolinium-injected (G-L) hearts. High power view of boxed
areas in transverse sections (B,E,H,K) of the ventricle of whole-mount stained
hearts are presented in C,F,I,L, respectively. at, atrium; avj,
atrioventricular junction; ec, endocardium; ivs, interventricular septum; lv,
left ventricle; ot, outflow tract; rv, right ventricle; tb, trabeculum.