Pronunciation: (dûr'mu-tōm"), [key]
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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.