Anatomy. an area of skin that is supplied with the nerve fibers of a single, posterior, spinal root.
Surgery. a mechanical instrument for cutting thin sections of skin for grafting.
Embryology. the part of a mesodermal somite contributing to the development of the dermis.

1925–30; derma1 + -tome

dermatomic [dur-muh-tom-ik] , dermatomal, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
dermatome (ˈdɜːməˌtəʊm)
1.  a surgical instrument for cutting thin slices of skin, esp for grafting
2.  the area of skin supplied by nerve fibres from a single posterior spinal root
3.  embryol the part of a somite in a vertebrate embryo that gives rise to the dermis

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

dermatome der·ma·tome (dûr'mə-tōm')

  1. An area of skin innervated by sensory fibers from a single spinal nerve.

  2. An instrument used in cutting thin slices of the skin, as for skin grafts.

  3. The part of a mesodermal somite from which the dermis develops. Also called cutis plate.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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