. . "Do not use this relation directly. It is ended as a grouping for a diverse set of relations, all involving branching relationships" . . "This relation can be used for geographic features (e.g. rivers) as well as anatomical structures (plant branches and roots, leaf veins, animal veins, arteries, nerves)" . "https://github.com/obophenotype/uberon/issues/170"^^ . "A relationship that holds between two material entities in a system of connected structures, where the branching relationship holds based on properties of the connecting network." . "in branching relationship with"@en . . . . "Chris Mungall" . .