Assertion: endocardium's layer | /r/HasProperty | joined to the myocardium
Facets:
Source sentences:
text: The innermost layer of the heart wall, the endocardium , is joined to the myocardium with a thin layer of connective tissue.
text: The innermost layer of the heart wall, the endocardium, is joined to the myocardium with a thin layer of connective tissue.