Index finger
The index finger (also referred to as forefinger, first finger, second finger, pointer finger, trigger finger, digitus secundus, digitus II, and many other terms) is the second digit of a human hand. It is located between the thumb and the middle finger. It is usually the most dextrous and sensitive digit of the hand, though not the longest. It is shorter than the middle finger, and may be shorter or longer than the ring finger (see digit ratio).
| Index finger | |
|---|---|
Left human hand with index finger extended | |
| Details | |
| Artery | Radial artery of index finger, proper palmar digital arteries, dorsal digital arteries |
| Vein | Palmar digital veins, dorsal digital veins |
| Nerve | Dorsal digital nerves of radial nerve, proper palmar digital nerves of median nerve |
| Identifiers | |
| Latin | digitus II manus, digitus secundus manus, index |
| TA98 | A01.1.00.054 |
| TA2 | 152 |
| FMA | 24946 |
| Anatomical terminology | |
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