Myocardium

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Myocardium \My`o*car"di*um\, n. [NL., fr. Gr. ?, ?, muscle + ?
     heart.] (Anat.)
     The main substance of the muscular wall of the heart inclosed
     between the epicardium and endocardium.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  myocardium
       n : the middle muscular layer of the heart wall
       [also: {myocardia} (pl)]