buried flap

bur·ied flap

denoting either (1) a flap denuded of surface epithelium and permanently transferred into the subcutaneous tissues; or (2) a flap temporarily placed beneath the skin in a staged reconstruction until it is retrieved and formally inset.

bur·ied flap

(ber'ēd flap)
A flap denuded of both surface epithelium and superficial dermis and transferred into the subcutaneous tissues.