A thickened pad of tissue or a fluid-filled bursa overlying a deformed big-toe joint. The underlying cause is an abnormal outward projection of the big toe called a hallux valgus. Small bunions are remedied by wearing wellfitting shoes and a special toe pad to straighten the big toe. Large bunions may require surgery to realign the joint and relieve the pressure.
n. an area of thickened tissue overlying the metatarsal phalangeal joint at the base of the big toe. It arises when a protective *bursa develops around the joint in response to friction and pressure from ill-fitting footwear. The condition is most commonly associated with *hallux valgus. Treatment may range from modified footwear to surgery.