— dermatomic /derr'meuh tom"ik/ , dermatomal , adj.
/derr"meuh tohm'/ , n.
1. Anat. an area of skin that is supplied with the nerve fibers of a single, posterior, spinal root.
2. Surg. a mechanical instrument for cutting thin sections of skin for grafting.
3. Embryol. the part of a mesodermal somite contributing to the development of the dermis.
[ 1925-30; DERMA 1 + -TOME ]