A branch within the ontology tree. Within ontologies, general and specific terms are connect through so-called parent-child relationships. The more specific term is a child of a more general term and the information content increases when moving from general to specific terms. Walking up and down the ontology tree can be used for comparing the proximity of two terms and the similarity of two patients.
Child Neurology Fellow and epilepsy genetics researcher at the Children’s Hospital of Philadelphia (CHOP), USA and Department of Neuropediatrics, Kiel, Germany