Human Phenotype Ontology term HP_0009803 (Short phalanx of finger) is short (hypoplastic) phalanx of finger, affecting one or more phalanges. Also known as: Hypoplastic phalanges, Hypoplastic phalanges of hands, Hypoplastic/small phalanges of the hand, Phalangeal hypoplasia, Rudimentary phalanges, Short finger bones, Short phalanges, Shortened phalanges.