flat flap

flat flap

n.
A surgical flap in which the pedicle is left flat or open during transfer rather than tubed.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

flat flap

(flat flap)
A flap in which during transfer the pedicle is left flat or open, i.e., untubed.
Synonym(s): open flap.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012