axial skeleton morphology trait thoracic cage morphology trait 2010-03-16T09:27:29Z Any measurable or observable characteristic related to the shape, structure, color, or pattern of the bony and cartilaginous structure enclosing the thoracic cavity, consisting of the thoracic vertebrae, ribs, costal cartilages, and sternum. Trait.ontology VT:0010092 caripark