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Scaphoid Bone

Definition: What is the Scaphoid Bone The scaphoid (Latin: os scaphoideum) is a short bone, one of the eight carpal or wrist bones in the human hand [1]. The boat-shaped bone is sometimes known as the hand navicular bone [2], with the name ‘scaphoid’ later originating from ‘skaphe’, the Greek word for ‘boat’ [3].

Lunate Bone

Definition: What is the Lunate Bone The lunate (Latin: os lunatum), also known as the semilunar bone, is one of the eight carpal or wrist bones in humans [1]. The bone resembles a crescent moon in shape, getting its name from the Latin term ‘luna’, meaning ‘moon’ [2].

Triquetrum Bone

What is the Triquetrum Bone Triquetrum or the triquetral bone (Latin: os triquetrum) is a three-sided or pyramid-shaped carpal or wrist bone [1, 2]. Its name is derived from the Latin word ‘triquetrus’, or ‘having three corners’ [3] – referring to the fact that it has three prominent articular surfaces [4].

Pisiform Bone

What is the Pisiform Bone The pisiform (Latin: os pisiforme) is a pea-shaped knobbly bone in the human wrist and the smallest of the eight carpal bones [1]. The name is actually derived from ‘pisum’, the Latin word for ‘pea’, referring to the characteristic shape of the bone [2].

Hamate Bone

What is the Hamate Bone The hamate or unciform bone is one of the eight carpal or wrist bones and an essential part of the distal carpal row (a vital bone arrangement in the human wrist) [1, 2]. It is classified as a short bone [13].

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