0 2 0 http://purl.obolibrary.org/obo/GO_0098839 postsynaptic density membrane 'postsynaptic density membrane' SubClassOf 'plasma membrane region' 'postsynaptic density membrane' SubClassOf 'synapse part' 'postsynaptic density membrane' SubClassOf http://purl.obolibrary.org/obo/BFO_0000050 some 'postsynaptic membrane' http://purl.obolibrary.org/obo/GO_0098842 postsynaptic early endosome 'postsynaptic early endosome' SubClassOf http://purl.obolibrary.org/obo/BFO_0000050 some 'postsynapse' 'postsynaptic early endosome' SubClassOf 'early endosome' 'postsynaptic early endosome' SubClassOf 'synapse part' 'postsynaptic early endosome' EquivalentTo 'early endosome' and (http://purl.obolibrary.org/obo/BFO_0000050 some 'postsynapse')