Thumb

Thumb
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

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)

Cite error: There are <ref group=upper-alpha> tags or {{efn-ua}} templates on this page, but the references will not show without a {{reflist|group=upper-alpha}} template or {{notelist-ua}} template (see the help page).

[1] siderations at The Anatomy Lesson by Wesley Norman (Georgetown University)

[1]

[A]