dermatome
[der´mah-tōm]1. the area of skin supplied with afferent nerve fibers by a single posterior spinal root.
2. the lateral part of an embryonic somite.
3. an instrument for removing split-thickness skin grafts from donor sites; there are many different kinds, divided into three major types: knife, drum, and motor-driven. 
Dermatomes. Segmental dermatome distribution of spinal nerves to the front, back, and side of the body. C, Cervical segments; T, thoracic segments; L, lumbar segments; S, sacral segments; CX, coccygeal segment. Dermatomes are specific skin surface areas innervated by a single spinal nerve or group of spinal nerves. Dermatome assessment is done to determine the level of spinal anesthesia for surgical procedures and postoperative analgesia when epidural local anesthetics are used. From Thibodeau and Patton, 1999.
drum dermatome a dermatome consisting of a cylindrical drumlike apparatus coated with adhesive that rolls over the skin while a blade moves across the surface and cuts the graft free.
knife dermatome the simplest type of dermatome, which is used to remove grafts by a freehand technique.
motor-driven dermatome a dermatome driven by a power source; motor-driven dermatomes cut with a back-and-forth blade action.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
der·ma·tome
(der'mă-tōm),1. A power-driven or mechanical instrument used to cut thin sections of epidermis or dermis for grafting, or to excise small lesions.
2. The dorsolateral part of an embryonic somite. Synonym(s): cutis plate
3. The area of skin supplied by cutaneous branches of a single cranial or spinal nerve; neighboring dermatomes can overlap. Synonym(s): dermatomal distribution, dermatomic area
[dermato- + G. tomē, a cutting]
Farlex Partner Medical Dictionary © Farlex 2012
dermatome
(dûr′mə-tōm′)n.
1. Anatomy An area of skin innervated by sensory fibers from a single spinal nerve.
2. Medicine An instrument used in cutting thin slices of the skin, as for skin grafts.
3. Embryology The part of a mesodermal somite from which the dermis develops.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
der·ma·tome
(dĕr'mă-tōm)1. An instrument for cutting thin slices of skin for grafting, or excising small lesions.
2. The dorsolateral part of an embryonic somite.
Synonym(s): cutis plate.
Synonym(s): cutis plate.
3. The area of skin supplied by cutaneous branches from a single spinal nerve; neighboring dermatomes may overlap.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
dermatome
1. A broad knife for taking very thin skin slices of less than full thickness (split skin) for grafting.
2. The area of skin receiving sensation from a nerve entering a single nerve root of the spinal cord.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
der·ma·tome
(dĕr'mă-tōm)1. An instrument for cutting thin slices of skin for grafting, or excising small lesions.
2. The dorsolateral part of an embryonic somite.
Synonym(s): cutis plate.
Synonym(s): cutis plate.
3. Skin supplied by cutaneous branches from a single spinal nerve.
Medical Dictionary for the Dental Professions © Farlex 2012