myocardium
/ˌmaɪoʊˈkɑrdiəm/
noun
- The thick middle layer of the heart wall, made of muscle tissue that contracts to pump blood.
- The myocardium is responsible for the heart's pumping action.
- Exercise strengthens the myocardium and improves cardiovascular health.
- Damage to the myocardium can lead to serious heart problems.
Synonyms