has part has part has skeleton has_skeleton RO:0002551 A relation between a segment or subdivision of an organism and the maximal subdivision of material entities that provides structural support for that segment or subdivision. The skeleton of a structure may be a true skeleton (for example, the bony skeleton of a hand) or any kind of support framework (the hydrostatic skeleton of a sea star, the exoskeleton of an insect, the cytoskeleton of a cell). uberon Forelimb SubClassOf has_skeleton some 'Forelimb skeleton' has_skeleton skeleton of anatomical structure material anatomical entity