This is as much an answer to your question as to /u/Deegius . You have different methods - depending on the location. Is this it would seem that they stitched the the edges which could reach. The rest is 'left open' with a big white pad to keep it moist.
In other procedures, such as the bascom procedure you mobilize the skin by seperating it from the fatty tissue (as seen in the middle picture, left "skin flap".
The skin will proliferate and create new skin, but right now you want something to cover up that hole to avoid infection. The graft is still connected to his forehead to ensure the blood supply, though later removed.
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Def. will, just be aware that people call instruments whatever the hell they want. Mosquitoes <=> Hartmans, Ferris Smith <=> Bonnies, etc.
Best thing to do is learn the case and know what the surgeon needs before they do. Most start off the same- marker, local, pickups, blade, forcep, retractor- but once there they all kind of branch.
I really like the Touch Surgery app by Kinosis. Tons of cases and great animations.