vomer

The vomer is a thin, flat bone forming the lower portion of the nasal septum, the partition dividing the nose into two chambers. Its Latin name was the ordinary Roman word for a plowshare, the iron blade at the base of a plow that cuts through soil. Roman farmers used the term daily; Virgil wrote about the vomer in the Georgics, his poem on agriculture completed around 29 BCE. The anatomical application transferred the word from field to face because the bone's shape, a narrow wedge tapering to a lower edge, matched the plow blade exactly.

Latin medical writers made the comparison explicit. Celsus, writing around 25 CE, was among the first to bring precise Latin vocabulary into anatomical writing, and later Roman anatomists applied vomer to the nasal bone. The Latin tradition drew heavily on Greek anatomy, particularly Galen's, but the vomer's name was wholly Latin, a Roman farmer's word applied to an internal bone. This was rare: most anatomical terms were borrowed from Greek, but the Romans named the plowshare bone themselves.

Renaissance anatomists working with the Latin inheritance retained the term. Berengario da Carpi (1460-1530), who published the first illustrated anatomy before Vesalius, mentioned the vomer in his commentary on Mondino's older anatomy. Vesalius confirmed the name in 1543, illustrating the bone in De Humani Corporis Fabrica and noting its plowshare form. By 1600, vomer was standard in every European medical school's curriculum, taught alongside septum and turbinate.

The vomer is one of the few major anatomical bones that kept a purely Latin name rather than a Latinized Greek one, and it has stayed in the official nomenclature since Vesalius. Today, surgeons correct a deviated septum by realigning or trimming the vomer, a procedure called septoplasty. The bone is fragile, easily knocked out of alignment by a blow to the nose. What Virgil's farmers split into the soil now sits at the center of the face, quietly dividing one breath from another.