membrane-enclosed lumen that is part of some endoplasmic reticulum
endoplasmic reticulum lumen
SubClassOf(ObjectIntersectionOf(<http://purl.obolibrary.org/obo/GO_0031974> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/BFO_0000050> <http://purl.obolibrary.org/obo/GO_0005783>)) <http://purl.obolibrary.org/obo/GO_0005788>)
EquivalentClasses(<http://purl.obolibrary.org/obo/GO_0005788> ObjectIntersectionOf(<http://purl.obolibrary.org/obo/GO_0031974> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/BFO_0000050> <http://purl.obolibrary.org/obo/GO_0005783>)) )