Word: fibroblast
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Dates: during 2000-2009
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That's what Dr. Weiss is after. The idea is to heat up the underlying dermis, stimulating fibroblast cells to produce collagen, which pushes out fine wrinkles and scars. "This temperature sensor is monitoring things," says Weiss, 49, as he points to a fail-safe device on the laser. "If the temperature rises too high in the skin, it won't let you do another pulse...