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Fig. 3. Coronary anomalies in Cx43-WCKO neonatal hearts. (A-D) A
typical pattern of coronary deployment in control mouse hearts is
characterized by single left (A) and right (C) coronary ostia, each giving
rise to arteries that bifurcate into left (B) and right (D) myocardial and
septal branches. (E-H) Coronary abnormalities in Cx43-WCKOs included
separate right septal (E) and myocardial branch ostia (F) in one heart, an
accessory coronary (AC) originating from the non-coronary sinus in another
heart (G), and tunneling of the left coronary artery through the wall of the
aorta (arrows, H) in a third heart. Ao, aorta; PA, pulmonary artery; LC, left
coronary artery; S, septal branch; M, myocardial branch; RC, right coronary
artery; RV, right ventricle. Scale bar: 100 µm.