Cutaneous innervation refers to the area of the skin which is supplied by a specific nerve, that is, by a cutaneous nerve. Dermatomes are similar; however, a dermatome only specifies the area served by a spinal nerve. In some cases, the dermatome is less specific (when a spinal nerve is the source for more than one cutaneous nerve), and in other cases it is more specific (when a cutaneous nerve is derived from multiple spinal nerves. ) Modern texts are in agreement about which areas of the skin are served by which nerves, but there are minor variations in some of the details...