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| Heart of the matter: The 3D map revealed hitherto unknown complexity of the ICN. The researchers found that the neurons that make up the ICN are found in a coherent band of clusters on the base (top) of the heart, where the heart’s veins and arteries enter and leave, but also extend down the length of the left atrium on the back of the heart. They’re positioned close to certain key heart structures like the sinoatrial node. Image: Thomas Jefferson University et al. |
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