Dermatome

Dermatome
: (1) A localized area of skin that is has its sensation via a single nerve from a single nerve root of the spinal cord. Shingles (herpes zoster) typically affects one or several isolated dermatomes. (2) A dermatome is also a cutting instrument used for skin grafting or slicing thin pieces of skin.
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1. An instrument for cutting thin sections of epidermis/dermis for grafting, or excising small lesions. 2. The dorsolateral part of an embryonic somite. SYN: cutis plate. 3. The area of skin supplied by cutaneous branches from a single spinal nerve; neighboring dermatomes can overlap. SYN: dermatomal distribution, dermatomic area. [dermato- + G. tome, a cutting]

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der·ma·tome 'dər-mə-.tōm n
1) an instrument for cutting skin for use in grafting
2) the lateral wall of a somite from which the dermis is produced
der·ma·to·mal .dər-mə-'tō-məl or der·ma·to·mic -mik adj

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n.
1. a surgical instrument used for cutting thin slices of skin in some skin grafting operations.
2. that part of the segmented mesoderm in the early embryo that forms the deeper layers of the skin (dermis) and associated tissues. See somite.

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der·ma·tome (durґmə-tōm) [derma- + -tome] 1. an instrument for cutting thin skin slices for skin grafts. 2. the area of skin supplied with afferent nerve fibers by a single posterior spinal root; called also dermatomic area. 3. the lateral portion of a mesodermal somite; the cutis plate.

Anterior and posterior views of the dermatomes. Each segment is named for the principal spinal nerve serving it. V, trigeminal segments; C, cervical segments; T, thoracic segments; L, lumbar segments; S, sacral segments.


Medical dictionary. 2011.

Look at other dictionaries:

  • Dermatome — may refer to: Dermatome (instrument), a surgical instrument used to produce thin slices of skin Dermatome (anatomy), an area of skin that is supplied by a single pair of dorsal roots Dermatome (embryology) Cutis plate, the dorsal portion of the… …   Wikipedia

  • dermatome — ● dermatome nom masculin Territoire cutané en forme de bande, innervé par une racine nerveuse. Instrument chirurgical tranchant utilisé pour prélever des lamelles de peau destinées à être greffées …   Encyclopédie Universelle

  • dermatome — [dʉr′mə tōm΄] n. [ DERMA1 + TOME] any of the segmentally arranged mesodermal masses in a vertebrate embryo, destined to form dermis …   English World dictionary

  • Dermatome — Dermatomes Le dermatome est une aire de la peau à laquelle ne contribue qu une racine dorsale. Il dérive du dermomyotome qui dérive lui même des somites. En médecine, le dermatome permet de déterminer les zones de lésion de la moelle épinière.… …   Wikipédia en Français

  • dermatome — 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… …   Universalium

  • Dermatome (instrument) — For other uses, see Dermatome (disambiguation). Diagram of a dermatome A dermatome is a surgical instrument used to produce thin slices of skin from a donor area, in order to use them for making skin grafts. One of its main applications is for… …   Wikipedia

  • Dermatome (anatomy) — For other uses, see Dermatome (disambiguation). Dermatomes and major cutaneous nerves. A dermato …   Wikipedia

  • dermatome — noun Etymology: International Scientific Vocabulary dermat + ome Date: 1910 the lateral wall of a somite from which the dermis is produced • dermatomal adjective …   New Collegiate Dictionary

  • dermatome — noun a) an instrument used surgically to remove a thin slice of skin for grafting b) an area of skin which is innervated by afferent nerve fibers coming to a single posterior spinal root …   Wiktionary

  • dermatome — n. scalpel used to cut thin layers of skin (Surgical) …   English contemporary dictionary

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