Endocardium that is part of the cardiac ventricle.
Synonyms:
exact_synonym:
cardiac ventricle endocardium; endocardium of cardiac ventricle; endocardium of heart ventricle; endocardium of lower chamber of heart; endocardium of ventricle of heart; heart ventricle endocardium; lower chamber of heart endocardium; ventricle endocardium; ventricular endocardium