* The carpus consists of eight carpal bones arranged in two rows.
* The proximal row contains scaphoid, lunate, triquetral, and pisiform bone from lateral to the medial side.
* The distal row contains trapezium, trapezoid, capitate, and hamate bone from lateral to medial side.
Scaphoid:
* The scaphoid is boat-shaped and has a tubercle on its lateral side.
Lunate:
* The lunate is half-moon-shaped or crescentic. .
Triquetral:
* The triquetral is pyramidal in shape and has an isolated oval facet on the distal part of the palmar surface.
Pisiform:
* The pisiform is pea-shaped and has only one oval facet on the proximal part of its dorsal surface.
* It is a sesamoid bone contained in the flexor carpi ulnaris tendon.
Trapezium:
* The trapezium is quadrangular and has a crest and a groove anteriorly.
* It has a sellar articular surface distally.
Capitate:
* The capitate is a large carpal bone with a rounded head.
Hamate:
* The hamate is wedge-shaped with a hook near its base.
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