Hand

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A hand is a prehensile, multi-fingered appendage located at the distal end (extremity) of the forelimbs/upper limbs of tetrapod animals — chiefly primates such as humans, chimpanzees, monkeys and lemurs — that is used primarily for grasping and object manipulation. Some non-primate arboreal vertebrates with opposable fingers such as the koala (who has two opposable thumbs on each "hand" and friction ridges extremely similar to human fingerprints), opossums, chameleons and leaf frogs are often also described as having "hands" instead of paws or feet. The giant panda (who has a "pseudothumb" made of a sesamoid wrist bone to aid grasping) and the raccoon are sometimes also described as having "hands" due to how they have adapted or improvized the upper limbs for grasping, although they actually lack opposable fingers. In comparative anatomy, the digited distal portion of an animal's forelimb has a more generic technical name — manus, which is Latin for "hand" but includes any forelimb appendages...

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