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of these nerves relays sensation (including pain) from a particular region of skin to the brain.

The term is also used to refer to a part of an embryonic somite.

Along the thorax and abdomen, the dermatomes are like a stack of discs forming a human, each supplied by a different spinal nerve. Along the arms and the legs, the pattern is different: the dermatomes run longitudinally along the limbs. Although

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