noun
- The middle muscular layer of the heart wall. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). myocardium. Retrieved September 20, 2026, from http://smartdefine.org/myocardium/definitions/1212769 |
| Chicago | WordNet. 2010. "myocardium" http://smartdefine.org/myocardium/definitions/1212769 (accessed September 20, 2026). |
| Harvard | WordNet 2010, myocardium, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/myocardium/definitions/1212769>. |
| MLA | WordNet. "myocardium" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/myocardium/definitions/1212769> |