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You forgot to mention the epicardium. the thin surface on the surface of the heart. the pericardium is not actualyy part of the heart but a bag that holds the heart.

  • Performance of the myocardium is mediated by the [autonomic nervous system]. The sinoatrial node propagates electrical/sympathetic [systole]. The spinal ganglia and vagus nerve propagate electrical/parasympathetic [diastole]. --Lbeben (talk) 02:21, 18 December 2007 (UTC)--Lbeben (talk) 02:34, 17 December 2007 (UTC)

Myocardium and Cardiac muscle[edit]

These two articles refer to the same thing. I think they should be put together. Kadellar (talk) 00:14, 17 March 2008 (UTC)

See Talk:Cardiac muscle for ongoing discussion ----Seans Potato Business 12:34, 15 June 2008 (UTC)

Agree.--Lbeben (talk) 04:26, 9 August 2008 (UTC)