also: せつじょうこつ
cuneiform bones
Only with reading けつじょうこつ
Anatomical term for the three wedge-shaped bones in the foot (medial, intermediate, lateral cuneiform). The reading けつじょうこつ is standard.
The cuneiform bones of the foot are located between the navicular bone and the metatarsals.
sphenoid bone
Rare anatomical usage for the sphenoid bone of the skull. The standard modern term is 蝶形骨 (ちょうけいこつ). This sense is mostly encountered in older or alternative medical texts.
See also: 蝶形骨
In older anatomy books, the sphenoid bone is sometimes called 楔状骨.