In the context of sensory testing, identify a true statement about dermatomes.
A. Dermatome distribution varies with individuals, and it is more predictable than peripheral nerve distribution.
B. A dermatome is found in developing embryos.
C. A dermatome is an area of skin that is innervated by the sensory fibers of a single spinal nerve or cranial nerve.
D. Segmental dermatomes eventually develop into a muscle or a group of muscles that are innervated by motor fibers from a specific spinal nerve.
Answer: C
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