| Front | Septomarginal trabeculae |
|---|---|
| Back | (Moderator band) Structure: a band of cardiac muscle (trabeculae carnae) that connects the interventricular septum to the base of the apical papillary muscle Function: contains right bundle branch of AV bundle and so faciliates coordinated contraction of ventricular muscle and papillary muscle during systole |
Tags: cardiovascular
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