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arch of foot

n.
  1. The longitudinal arch consisting of a medial arch, comprised of the calcaneus, talus, navicular, three cuneiform bones, and the three medial metatarsals, and a lateral arch formed by the calcaneus, cuboid, and the two lateral metatarsals.
  2. The transverse arch formed by the proximal parts of the metatarsal bones, the three cuneiform bones, and the cuboid.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.