atrioventricular canal |
 |
detected |
| | Smad6 is expressed in the AV (atrio-venticular) endocardium |
common atrial chamber endocardial lining |
 |
detected |
| regional | Smad6 is expressed in the AV (atrio-venticular) endocardium |
primitive ventricle endocardial lining |
 |
detected |
| regional | Smad6 is expressed in the AV (atrio-venticular) endocardium |