| NOUN | body | cardiac pacemaker, pacemaker, sinoatrial node, SA node | a specialized bit of heart tissue that controls the heartbeat |
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| Meaning | A specialized bit of heart tissue that controls the heartbeat. | |
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| Synonyms | pacemaker, sinoatrial node, SA node | |
| Broader | cardiac muscle, heart muscle | The muscle tissue of the heart |
| Spanish | marcapasos cardíaco, marcapasos, nodo sinoauricular | |
| Catalan | marcapassos cardíac, node sinusal | |
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