'PAR' in PAR 20 or PAR 50 is an acronym standing for Parabolic Aluminized Reflector. This name refers to the construction of the PAR bulb. The bulb traditionally features a tungsten filament surrounded by a reflector with an aluminum coating (hence aluminized). The reflector intensifies the beam and makes it more efficient.
Toe necrosis; Toe ischemia; Amputation; Dry gangrene Abstract Toe necrosis may have vast different etiologies. These include ischemia, embolus, and others. (1) The most common etiology is ischemia. It is a reduction in blood supply to a viable tissue that can lead to susceptibility to infection and tissue death. Peripheral ischemia, which is rooted in the
1 doctor agreed: 1  Burning: In toes can be caused by a neuroma and another common cause is diabetic neuropathy. 2  Burning toe: There are many cause for burning toe but the most common cause i see is neuroma. 3  It depends.: A burning sensation on the top of a big toe might have many causes.  Neuroma: You may have developed a neuroma.