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thumb

File:Liam_Thumb.jpg · Wikimedia Commons · See Wikimedia Commons

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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 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.

AI overview

The thumb is the first digit of the hand, located next to the index finger and positioned on the outer edge when your palm faces forward. It serves as a key part of hand anatomy, with its own specialized medical terminology (pollex in Latin).

AI-generated from the Wikipedia summary — may contain errors.

Key facts

Anatomy.Name
Thumb
Anatomy.Latin
pollexdigitus I manusdigitus primus manus
Anatomy.image
Liam Thumb.jpg
Anatomy.caption
A human thumb
Anatomy.image2
Sobo 1909 130.png
Anatomy.caption2
Bones of the thumb, visible at far left
Anatomy.artery
Princeps pollicis artery
Anatomy.vein
Dorsal venous network of hand
Anatomy.nerve
Dorsal digital nerves of radial nerve, proper palmar digital nerves of median nerve
Anatomy.lymph
Infraclavicular lymph nodes

via Wikipedia infobox

Research

24,889 papers

via PubMed

Wikidata facts

Image
Thumbup.jpg
Show 2 more facts
Commons category
Thumbs
NCI Thesaurus ID
C52834
Sources (5)

via Wikidata · CC0

~21 min read

Article

23 sections
Contents
  • Definition
  • Thumb and fingers
  • Humans
  • Other primates
  • Other placental mammals
  • Marsupials
  • Reptiles
  • Dinosaurs
  • Birds
  • Pterosaurs
  • Amphibians
  • Human anatomy
  • Skeleton
  • Muscles
  • Extrinsic
  • Intrinsic
  • Variations
  • Grips
  • Human evolution
  • See also
  • Notes
  • References
  • External links

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.

==Definition==

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