knife dermatome

dermatome /der·ma·tome/ (der´mah-tōm)

1. an instrument for cutting thin skin slices for grafting.

2. the area of skin supplied with afferent nerve fibers by a single posterior spinal root.

3. the lateral part of an embryonic somite.

Harvesting of a large split-thickness skin graft with an electric dermatome.

der·ma·tome (dûr

-t

)

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.

dermatome

[dur′mətōm]

Etymology: Gk, derma + temnein, to cut

1 (in embryology) the mesodermal layer in the early developing embryo that gives rise to the dermal layers of the skin.

2 (in surgery) an instrument used to cut thin slices of skin for grafting.

3 an area on the surface of a body innervated by afferent fibers from one spinal root.

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.

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-tome
brachial plexus neuropathy
cervical disk syndrome
cutis plate
dermabrasion
dermatohistopathology
dermatomal
dysesthesia
electrodermatome
fetal varicella syndrome
herpes zoster
lines of Blaschko
Parelaphostrongylus
shingles
skin graft
Sturge-Weber syndrome

dermatome (redirected from knife dermatome)

dermatome
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