zigzagplasty

Z-plasty

 [ze´plas-te]
repair of a skin defect by the transposition of two triangular flaps of adjacent skin, for relaxation of scar contractures. Called also zigzagplasty.
Z-plasty, showing the direction of relaxed skin tension lines (arrow), desired position of final scar (dotted line), and the two flaps to be juxtaposed (a, b). From Dorland's, 2000.