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Authors: Claire Jordan Wiggins, Riyad N.H. Seervai, Medical Students, Baylor College of Medicine, Houston, TX, USA. DermNet NZ Editor in Chief: Adjunct A/Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand. Copy edited by Gus Mitchell. June 2020.
A dermatome is an area of skin that is primarily supplied by a single nerve root: communicating sensation from this skin region to the brain. The umbrella of somatosensation includes feedback from mechanoreceptors, thermoreceptors, proprioceptors, pain receptors, and chemoreceptors .
Dermatomes form a stack of horizontal layers on the trunk and run lengthwise in the extremities.
Knowledge of dermatomes aids in the diagnosis of several diseases.
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