Phalanx - Definition

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A phalanx is a part of the skeletal system which includes hand or foot. It allows the articulation of the fingers and toes. All fingers and toes, except the thumbs and big toes, have 3 phalanges: distal phalanges, the proximal phalanges and middle phalanges. These last are not present on the thumbs or the big toes. The presence of phalanges enables man, like some mammals, acquire precision and dexterity.