Carpal bones

Dr Daniel J Bell and Dr Tim Luijkx et al.

The carpal bones, also known as the carpus (plural: carpi), are the eight bones of the wrist that form the articulation of the forearm with the hand. They are usually divided into two rows:

The names and order of these bones can be remembered through various mnemonics.

Terminology

Somewhat confusingly, the term carpus can also be used as a synonym for the wrist joint as a whole.

Anatomy: Upper limb

Anatomy: Upper limb

Article information

rID: 33702
Section: Anatomy
Synonyms or Alternate Spellings:
  • Carpal bone
  • Ossa carpi
  • Ossa carpalia
  • Carpalia
  • Carpals
  • Carpus (wrist bones)

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Cases and figures

  • Figure 1
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  • Figure 2: normal alignment of carpal bones
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  • Figure 3: carpal bones
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  • Figure 4: carpal bones
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  • Case 1: normal image of carpal bones and hand
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  • Figure 5: annotated x-ray
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  • Figure 6a: scaphoid (Gray's illustration)
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  • Figure 6b: lunate (Gray's illustration)
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  • Figure 6c: triquetrum (Gray's illustration)
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  • Figure 6d: pisiform (Gray's illustration)
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  • Figure 6e: trapezium (Gray's illustration)
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  • Figure 6f: trapezoid (Gray's illustration)
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  • Figure 6g: capitate (Gray's illustration)
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  • Figure 6h: hamate (Gray's illustration)
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  • Figure 7: ossification centers (Gray's illustrations)
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  • Figure 7a: muscle attachments (Gray's illustration)
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  • Figure 7b: muscle attachments (Gray's illustration)
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