title: Piecewise mathematical representation of articular surfaces.
mesh_terms: D000818:Animals; D001696:Biomechanical Phenomena; D004285:Dogs; D006168:Guinea Pigs; D007596:Joints / Q000502:physiology*; D008433:Mathematics; D008954:Models, Biological; D009949:Orientation; D012785:Shoulder Joint / Q000502:physiology