Thumb
The thumb is the first digit of the hand, next to the index finger. When a person is standing in the medical anatomical position (where the palm is facing to the front), the thumb is the outermost digit. The Medical Latin English noun for thumb is pollex (compare hallux for big toe), and the corresponding adjective for thumb is pollical.
| Thumb | |
|---|---|
Human left thumb | |
Bones of the thumb, visible at far left | |
| Details | |
| Artery | Princeps pollicis artery |
| Vein | Dorsal venous network of hand |
| Nerve | Dorsal digital nerves of radial nerve, proper palmar digital nerves of median nerve |
| Lymph | Infraclavicular lymph nodes |
| Identifiers | |
| Latin | pollex digitus I manus digitus primus manus |
| MeSH | D013933 |
| TA98 | A01.1.00.053 |
| TA2 | 151 |
| FMA | 24938 |
| Anatomical terminology | |
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