Skin Grafting & Flap Surgery. Skin grafting is a type of medical grafting involving the transplantation of skin. The transplanted tissue is called a skin graft. Skin grafting is often used to treat: Extensive wounding or trauma. Burns. Areas of extensive skin loss due to infection such as necrotizing fasciitis or purpura fulminans.
From Wikipedia, the free encyclopedia. Caesium fluoride sample on a watch glass. A watch glass is a circular concave piece of glass used in chemistry as a surface to evaporate a liquid, to hold solids while being weighed, for heating a small amount of substance and as a cover for a beaker.
The shape of the evaporating dish encourages evaporation in two ways: The shell is relatively flat. A relatively large liquid surface promotes evaporation. If heated in a flask or beaker, a part of the evaporated liquid condenses on the vessel walls and flows back into the solution. This does not happen in a dish.