Hand Zur Abmessung 2D4D
A hand is a prehensile, multi-fingered appendage located at the end of the forearm or forelimb of primates such as humans, chimpanzees, monkeys, and lemurs. A few other vertebrates such as the koala (which has two opposable thumbs on each "hand" and fingerprints extremely similar to human fingerprints) are often described as having "hands" instead of paws on their front limbs. The raccoon is usually described as having "hands" though opposable thumbs are lacking. Some evolutionary anatomists use the term ''hand'' to refer to the appendage of digits on the forelimb more generally—for example, in the context of whether the three digits of the bird hand involved the same homologous loss of two digits as in the dinosaur hand. The human hand usually has five digits: four fingers plus one thumb; these are often referred to collectively as five fingers, however, whereby the thumb is included as one of the fingers. It has 27 bones, not including the sesamoid bone, the number of whi ...
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Dorsal Venous Network Of Hand
The dorsal venous network of the hand is a network of veins within the superficial fascia on the Dorsum (anatomy), dorsum (backside) of hand. It is formed by the dorsal metacarpal veins, and gives rise to veins such as the cephalic vein and the basilic vein. References

Veins of the upper limb {{Circulatory-stub ...
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