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The intermediate cuneiform (second cuneiform or middle cuneiform) is shaped like a wedge, the thin end pointing downwards. The intermediate cuneiform is situated between the other two cuneiform bones (the medial and lateral cuneiforms), and articulates with the navicular posteriorly, the second metatarsal anteriorly and with the other ...
The triquetral bone (/ t r aɪ ˈ k w ɛ t r əl,-ˈ k w iː-/; also called triquetrum, pyramidal, three-faced, and formerly cuneiform bone) is located in the wrist on the medial side of the proximal row of the carpus between the lunate and pisiform bones. It is on the ulnar side of the hand, but does not directly articulate with the ulna.
The dorsal ligaments are strong, flat bands.. The first metatarsal is joined to the first cuneiform by a broad, thin band; the second has three, one from each cuneiform bone; the third has one from the third cuneiform; the fourth has one from the third cuneiform and one from the cuboid; and the fifth, one from the cuboid.
The dorsal ligaments are three small bundles, one attached to each of the cuneiform bones. The bundle connecting the navicular with the medial cuneiform bone is continuous around the medial side of the articulation with the plantar ligament which unites these two bones.
The bone is curved longitudinally, so as to be concave below, and slightly convex above. The base or posterior extremity is wedge -shaped. [ 1 ] The third metatarsal bone articulates proximally, by means of a triangular smooth surface, with the third cuneiform ; medially, by two facets, with the second metatarsal ; and laterally, by a single ...
Neither of these adaptations is found in reptiles, which have a relatively simple structure to both bones. [3] The fifth distal tarsal disappears relatively early in evolution, with the remainder becoming the cuneiform and cuboid bones. Reptiles usually retain two centralia, while mammals typically have only one (the navicular). [3]
The intercuneiform joints are the joints (articulations among) the cuneiform bones. The term "cuneocuboid joint" is sometimes used to describe the joint between the cuboid and lateral cuneiform, but this term is not recognized by Terminologia Anatomica.
There are a total of 8 bones in the legs and 52 in the feet. Femur (2) Patella or kneecap (2) Tibia (2) Fibula (2) Foot (52 bones in total, 26 per foot) Tarsus. Calcaneus or heel bone (2) Talus (2) Navicular bone (2) Medial cuneiform bone (2) Intermediate cuneiform bone (2) Lateral cuneiform bone (2) Cuboid bone (2) Metatarsals (10)