bunion(redirected from bunions)
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bunion,swelling or thickening around the first joint of the big toe. The toe is forced inward and compresses the other toes. The fluid-filled sac, or bursabursa
, closed fibrous sac lined with a smooth membrane, producing a viscous lubricant known as synovial fluid. Bursas are found in regions where muscles or tendons rub against other muscles, tendons, or bones.
..... Click the link for more information. , in the toe joint becomes inflamed (a condition called bursitis), which may lead to pain, deformity, and an inability to wear ordinary shoes. Bunions may arise from years of wearing ill-fitting shoes. However, congenital bone deformities are usually indicated when they occur on both feet. Proper foot care, especially in selecting shoes, is the most important aspect of treatment and prevention. The toes can often be straightened by pads or splints, and orthopedic shoes are generally prescribed. Serious cases may require surgery.
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A swelling of a bursa of the foot, especially of the metatarsophalangeal joint of the great toe; associated with thickening of the adjacent skin and a forcing of the great toe into adduction.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
swelling of the first joint of the big toe, which is displaced to one side. An inflamed bursa forms over the joint
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005