Aphalangia

Part of speech: noun

Definitions

1. A medical condition marked by the congenital absence of fingers or toes
2. A birth defect characterized by the missing fingers or toes from an individual
3. A developmental anomaly in which a person is born without one or more digits on hands or feet

Etymology: Aphalangia is a medical term for the congenital absence of one or more finger or toe bones (phalanges). It is built from the Greek privative prefix "a-", meaning "without" or "not", attached to "phalangia", a combining form of "phalanx". In Greek, "phalanx" originally meant a line or formation of soldiers standing shoulder to shoulder, and the anatomical sense came later, when the small bones of the fingers and toes were likened to the ranks of a battle line. The construction follows a pattern common in medical vocabulary: a Greek prefix joined to an anatomical root to name a specific condition. Physicians coined such terms by combining classical elements, so the word describes a deficiency in a precise, anatomical way. Its meaning is therefore literal: a body that developed without the expected phalanges.