Definition

Noun: A carpal bone is any one of the eight small, short bones that form the wrist (carpus) in humans and other primates. These bones are arranged in two rows and connect the bones of the forearm (the radius and ulna) to the bones of the hand (the metacarpals).

Usage

The term is used in anatomical, medical, and biological contexts to refer specifically to these wrist bones. It is a countable noun. - The surgeon carefully set the fractured carpal bone. - The carpal bones allow for the complex movements of the wrist.

Advanced Usage

• Carpal tunnel: This is a related anatomical term for the narrow passageway on the palm side of the wrist formed by the carpal bones and a ligament. Pressure on the median nerve within this tunnel causes carpal tunnel syndrome.
  • Repetitive strain can inflame the tendons in the carpal tunnel.

Variants and Related Words

• Carpus (noun): The scientific name for the wrist, or the group of carpal bones collectively.
  • The carpus is a complex structure.
• Carpal (adjective): Pertaining to the wrist or carpus.
  • She wore a brace for carpal support.

Synonyms

• Wrist bone: A common, less technical synonym.
  • An x-ray revealed a broken wrist bone.

Different Meanings

The word "carpal" only relates to the wrist. There are no other distinct meanings for the compound term "carpal bone."

Noun

1. any of the eight small bones of the wrist of primates