polyhedral organelle ethanolamine degradation polyhedral organelle ethanolamine metabolosome http://purl.obolibrary.org/obo/go.owl An organelle found in bacteria consisting of a proteinaceous coat containing enzymes for the degradation of ethanolamine whose purpose is the protection of the rest of the cell from the toxic acetaldehyde product of the enzyme ethanolamine ammonia lyase. [database_cross_reference: GOC:js][database_cross_reference: PMID:11844753]