Metacarpal Bone Digit 2

**Semantic type:** Anatomical Structure

**Definition:** The second and the longest of five miniature long bones located in the palm of the hand, which articulates proximally with the trapezoid, trapezium, and capitate at the carpometacarpal joint and distally with the index finger phalanx at the metacarpophalangeal joint.

**Synonyms:** - METACARPAL BONE 2