Eversion Stoma
this was the term used to describe the ridge of hard flesh that was found on the outside of a villip. Bioengineered by the Yuuzhan Vong, the eversion stoma was stroked in order to force the villip to spread apart the membranous tissue that covered its body. Thus inverted, the villip formed itself into a simulation of the being that was using a villip at the other end of the connection.