]> connected to connected to https://github.com/obophenotype/uberon/wiki/Modeling-articulations-Design-Pattern https://github.com/obophenotype/uberon/wiki/Connectivity-Design-Pattern a 'toe distal phalanx bone' that is connected to a 'toe medial phalanx bone' (an interphalangeal joint *connects* these two bones). RO:0002170 uberon connected_to connected_to a is connected to b if and only if a and b are discrete structure, and there exists some connecting structure c, such that c connects a and b part of part of part_of mereotopologically related to system