Metacarpophalangeal joint
The metacarpophalangeal joints (MCP) are between the bones in the hand at the palm called metacarpals, and the first finger bones called proximal phalanges.
| Metacarpophalangeal joint | |
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| The palme side of the hand showing the bones and joints spread out. MCP joints in red. | |
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| System | 099 |
The palm bones have rounded ends, and the finger bone ends are shaped like caves. This helps the two bones fit together like a puzzle.
