Second metacarpal bone
| Second metacarpal bone | |
|---|---|
| Second metacarpal of the left hand (shown in red). Palmar view. | |
| The second metacarpal. (Left.) | |
| Details | |
| Identifiers | |
| Latin | os metacarpale II | 
| FMA | 23900 | 
| Anatomical terms of bone | |
The second metacarpal bone (metacarpal bone of the index finger) is the longest, and its base the largest, of all the metacarpal bones.