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Metacarpus Meaning: Definition and Examples

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metacarpus

[ˌmɛtəˈkɑrpəs ]

Definition

Context #1 | Noun

anatomy bone

The metacarpus refers to the group of five bones in the hand that are located between the carpal bones of the wrist and the proximal phalanges of the fingers. These bones form the framework of the palm and are essential for the movement and function of the hand. The metacarpal bones are numbered 1 to 5, starting from the thumb side of the hand.

Synonyms

hand bones, metacarpal bones.

Examples of usage

  • The doctor examined the metacarpus for fractures.
  • The metacarpus provides support for finger movements.
  • Injuries to the metacarpus can affect grip strength.

Interesting Facts

Anatomy

  • The metacarpus includes five bones, one for each finger, which help form the structure of the hand.
  • These bones are longer than those in the wrist but shorter than the bones in the fingers, allowing flexibility.
  • In humans, the metacarpus plays a key role in grip strength and the ability to perform fine motor tasks.

Evolution

  • The evolution of the metacarpus has allowed humans to develop a highly dexterous hand compared to other primates.
  • In fossil records, variations of metacarpal structures provide insights into the manipulation abilities of early human ancestors.
  • Adaptations in the metacarpus support both tool use and intricate hand movements, essential for survival.

Cultural Significance

  • In art, the depiction of hands often emphasizes the metacarpus to showcase gesture and emotion.
  • Martial arts frequently train skills that depend on the movement and strength provided by the metacarpus.
  • In sign language, the flexibility and position of the metacarpus are crucial for clear communication.

Medicine

  • Injuries to the metacarpus can lead to impaired hand function, prompting specialized treatments.
  • Understanding the anatomy of these bones is crucial in orthopedic surgery and rehabilitation therapies.
  • Conditions such as arthritis can significantly impact the health and mobility of the metacarpus, affecting quality of life.

Origin of 'metacarpus'

Main points about word origin

  • The term comes from the Greek words 'meta' meaning 'beyond' and 'karpos' meaning 'wrist'.
  • Historically, medical terminology often uses Greek and Latin roots to describe anatomical structures.
  • The word has been in use since at least the 15th century, reflecting its long-standing presence in medical vocabulary.

The term 'metacarpus' originates from the Greek words 'meta,' meaning 'beyond,' and 'karpos,' meaning 'wrist.' It was first used in medical terminology in the late 1600s to describe the bones of the palm, distinguishing them from the carpal bones of the wrist. The metacarpus is crucial in both anatomical studies and clinical practices, as it plays a significant role in hand functionality and dexterity. Over time, the understanding and terminology surrounding the metacarpus have been refined, influencing fields such as orthopedics, sports medicine, and physical therapy.

Word Frequency Rank

Ranking #37,382, this word is encountered relatively rarely in everyday English. It might appear in literary works or specialized texts but isn't essential for general communication.