part_of part of part of dorsum bone element bone of dorsum https://github.com/obophenotype/uberon/wiki/Skeleton-partonomy-Design-Pattern dorsal region bone A bone that is part of the dorsal region of an animal. bone of back back bone uberon MA:0000494 EMAPA:37248 UBERON:0004247 this class may be obsoleted. See: https://github.com/obophenotype/mouse-anatomy-ontology/issues/93 dorsal region element