In cells, structures called Golgi Bodies (also known as Golgi apparatus or Golgi complex) are stacks of membrane-covered sacs that package and move proteins to the outside of the cell.
Pulsus alternans is a physical finding with arterial pulse waveform showing alternating strong and weak beats.
Components of a luminaire, such as reflectors and diffusers, absorb some of the light from the lamps(s). A highly efficient luminaire emits most of the light that the lamp(s) emits. Lux (LX) - The metric unit of measure for illuminance of a surface. One lux is equal to one lumen per square meter.