extracellular matrix organization that is part of some endocardium development
extracellular structure organization
SubClassOf(ObjectIntersectionOf(<http://purl.obolibrary.org/obo/GO_0030198> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/BFO_0000050> <http://purl.obolibrary.org/obo/GO_0003157>)) <http://purl.obolibrary.org/obo/GO_0043062>)
EquivalentClasses(<http://purl.obolibrary.org/obo/GO_0061148> ObjectIntersectionOf(<http://purl.obolibrary.org/obo/GO_0030198> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/BFO_0000050> <http://purl.obolibrary.org/obo/GO_0003157>)) )