This article is about the digit of the hand. For other uses, see Thumb (disambiguation).
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[1]
Identifiers
Latin
pollex digitus I manus digitus primus manus
MeSH
D013933
TA98
A01.1.00.053
TA2
151
FMA
24938
Anatomical terminology
[edit on Wikidata]
The thumb is the first digit of the hand, next to the index finger.[A] 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.
^clinicalconsiderations at The Anatomy Lesson by Wesley Norman (Georgetown University)
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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...
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