membrane-enclosed lumen that is part of some smooth endoplasmic reticulum
intracellular organelle lumen
SubClassOf(ObjectIntersectionOf(<http://purl.obolibrary.org/obo/GO_0031974> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/BFO_0000050> <http://purl.obolibrary.org/obo/GO_0005790>)) <http://purl.obolibrary.org/obo/GO_0070013>)
EquivalentClasses(<http://purl.obolibrary.org/obo/GO_0048238> ObjectIntersectionOf(<http://purl.obolibrary.org/obo/GO_0031974> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/BFO_0000050> <http://purl.obolibrary.org/obo/GO_0005790>)) )