examination of older embryos and of neonatal and adult hearts revealed that the expression of the neurofilament-like protein was not restricted to myocytes of conduction tissue regions , but it was also detectable in myocytes of the sinoatrial ring bundle , in scattered myocytes localized in the left sinal horn wall , and in the right atrium in proximity to atrioventricular sulcus tissue .
C0018787
hearts
C0225844
right atrium