Final answer:
Among the given options (Triquetrum, Lunate, Cuboid, Pisiform), the cuboid is not a carpal bone. Carpal bones form the base of the hand, whereas the cuboid is located in the foot.
Step-by-step explanation:
The carpal bones are a group of eight small bones that form the base of the hand. They are arranged in two rows, a proximal and distal row. The proximal row contains the scaphoid, lunate, triquetrum, and pisiform bones, while the distal row contains the trapezium, trapezoid, capitate, and hamate bones. A helpful mnemonic for remembering these is 'So Long To Pinky, Here Comes The Thumb.'
In the options provided, triquetrum, lunate, and pisiform are all carpal bones. However, the cuboid is not a carpal bone. Instead, the cuboid bone is found in the foot, not the hand, making it the correct answer to your question.
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