Metacarpus

Definition

The metacarpus is the part of the hand that includes the five metacarpal bones, which connect the wrist to the fingers. These bones form the framework for the palm and are crucial in providing structure and support for hand movements.

5 Must Know Facts For Your Next Test

1. The metacarpus consists of five metacarpal bones numbered from one to five starting with the thumb.
2. Each metacarpal bone has a base, a shaft, and a head.
3. The heads of the metacarpal bones form the knuckles when you make a fist.
4. Metacarpal fractures are common injuries, often resulting from direct trauma or falls.
5. These bones play a significant role in hand dexterity and grip strength.

Review Questions

Related terms

Carpus: The group of eight small bones that make up the wrist.

Phalanges: The bones in the fingers and toes.

Radius: One of the two large bones of the forearm, located on the thumb side.