Mitochondrial disease is a group of disorders caused by dysfunctional mitochondria, the organelles that generate energy for the cell.itochondrial diseases are sometimes (about 15% of the time) caused by mutations in the mitochondrial DNA that affect mitochondrial function.
1 Surface-mounted light â the finished housing is exposed, not flush with surface. 2  Chandelier. 3  Pendant light â suspended from the ceiling with a chain or pipe.  Sconce â provide up or down lights; can be used to illuminate artwork, architectural details; commonly used in hallways or as an alternative to overhead lighting.
This light fixture can be wall or ceiling mounted and uses 4 T5 fluorescent bulbs (not included). The slim channel makes these easy for handling in unit or row installation. 1  Slim, compact design. 2  Uses four 54-Watt T5 high output fluorescent light bulbs (not included). 3  Can be wall or ceiling mounted.