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Subject: Medical Science
Model Number: Human Hand Joint Anatomical Skeleton Model
Type: Skeleton Model
Brand Name: EasyThru
Texture of material: PVC
human hand joint attachment ligament model
Imported PVC material, manual string
Hand bones: including carpal bones, metacarpals and phalanges.
The main results are as follows: 1) the carpal (carpal bones): consists of 8 short bones, which are divided into two columns. The proximal column from radial to ulnar is the scaphoid bone of the hand, the lunar bone, the triangular bone and the pea bone. The distal part is classified as mostly horned bone, small polygonal bone, capitate bone and hook bone. The intercarpal joint was made up of adjacent articular surfaces. The proximal scaphoid, lunar, and triangular bones form the joint head of the radiocarpal joint and are associated with the articular surface at the lower end of the radius.
2) the metacarpal bone (metacarpal bones): a total of 5 pieces, from the radial side to the ulnar side, followed by the L to 5 metacarpal bones. Metacarpal bone belongs to long bone, proximal end is called metacarpal base, adjacent to carpal bone, distal end is called metacarpal bone, and phalangeal bone related joints. When the fist is clenched, the palm bone is exposed to the skin.
3) the phalanx (phalanges offingers): was composed of 14 pieces, with two segments of thumb and three segments of 2 fingers. The proximal phalangeal bone, middle phalangeal bone and middle phalangeal bone were in order from proximal side to distal side.
Distal phalanx. The proximal end of the phalanges is the bottom, the middle part is the body, and the distal end is the trochlea. The distal part of the distal phalangeal bone has no trochlea. Its palmar surface has rough protuberance, which is called the distal phalanx (trochanter).
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