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dermatome
This term operates in two distinct medical contexts. In neurology, it refers to a biological map of the body, where specific regions of skin correspond to specific spinal nerve roots. This usage is critical for diagnosing the location of spinal cord injuries or nerve compression.
In surgery, the term refers to a physical tool. This instrument is designed for precision, allowing surgeons to shave off thin, uniform layers of skin for grafting. While the biological sense describes a natural anatomical division, the surgical sense describes a mechanical device used to create a graft.
Meanings
Examples
The patient reported numbness specifically in the T10 dermatome.
Which dermatome corresponds to the thumb and index finger?
I need to memorize the dermatome map for the neurology exam.
The nurse carefully sterilized the dermatome before the procedure began.
We will use a manual dermatome to obtain the skin graft.
The skin was harvested using a high precision dermatome.
Loss of sensation in this dermatome suggests a spinal cord injury.
Pass me the motorized dermatome from the surgical tray.