noun🔗ShareMiocardioThe muscular substance of the heart; the middle of the three layers forming the outer wall of the human heart."The doctor explained that the heart attack damaged a section of the patient's myocardium, weakening the heart's ability to pump blood. "El médico explicó que el ataque cardíaco dañó una sección del miocardio del paciente, debilitando la capacidad del corazón para bombear sangre.medicineanatomyorganphysiologybodyChat with AIVocabulary GamePractice Reading