It's performed to correct single ventricle birth defect. The normal heart has fours chamber - two upper atria and two lower ventricles. With single ventricle there is either a comlpete absence of a second ventricle or it is underdeveloped. Cauterization creates a second ventricle or enlarges a poorly developed one. Source(s): I'm a nurse.
Trivet definition, a small metal plate with short legs, especially one put under a hot platter or dish to protect a table. See more.
duvet noun [C]. B1 a âlarge, âsoft, âflat âbag âfilled with âfeathers or âartificial âmaterial used as a âcovering on a âbed. More examples. 1  She â pulled the duvet over her â head to â try to â shut out the â light. 2  The children's duvets have some â type of â synthetic â filling, not goose-down or anything like that. 3  I was just â snuggling down into my â warm duvet when my â phone â rang.