positive regulation of activin receptor signaling pathway
dendritic spine head that positively regulates some activin receptor signaling pathway
SubClassOf(<http://purl.obolibrary.org/obo/GO_0032927> ObjectIntersectionOf(<http://purl.obolibrary.org/obo/GO_0044327> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/RO_0002213> <http://purl.obolibrary.org/obo/GO_0032924>)))
EquivalentClasses(<http://purl.obolibrary.org/obo/GO_0032927> ObjectIntersectionOf(<http://purl.obolibrary.org/obo/GO_0065007> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/RO_0002213> <http://purl.obolibrary.org/obo/GO_0032924>)) )