| (subclass RibBone Bone) | Mid-level-ontology.kif 11231-11231 | Rib bone is a subclass of bone |
| (subclass RibBone ThoraxBone) | Anatomy.kif 271-271 | Rib bone is a subclass of thorax bone |
| (subclass LeftRibBone RibBone) | Anatomy.kif 275-275 | Left rib bone is a subclass of rib bone |
| (subclass RightRibBone RibBone) | Anatomy.kif 279-279 | Right rib bone is a subclass of rib bone |
| (subclass TrueRibBone RibBone) | Anatomy.kif 283-283 | Costae verae is a subclass of rib bone |
| (subclass FloatingRibBone RibBone) | Anatomy.kif 287-287 | Floating rib bone is a subclass of rib bone |
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