outer medulla inner stripe loop of Henle
http://purl.obolibrary.org/obo/UBERON_0006541
http://purl.obolibrary.org/obo/UBERON_0004201
http://purl.obolibrary.org/obo/UBERON_0001288
http://purl.obolibrary.org/obo/UBERON_0034996