Hallux valgus osteoarthritis of the big toe joint with angulation of the toe. Commonly called a bunion, is a structural deformity of the bones and the joint between the foot and big toe, and may be painful. This is most common with women who wear unsuitable footwear.
Chabner, Davi-Ellen. 2007. The Language of Medicine. 8th ed. Saunders Elsevier, Missouri