Myocardium

**Definition:** The muscle tissue of the HEART. It is composed of striated, involuntary muscle cells (MYOCYTES, CARDIAC) connected to form the contractile pump to generate blood flow.

**Tree numbers:** - A02.633.580 - A07.541.704 - A10.690.552.750

**Synonyms:** - Cardiac Muscle - Myocardia - Muscle, Cardiac - Muscle, Heart