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.
Thermus aquaticus is a thermophilic gram-negative bacterium that has played a key role in the modern revolution in genetic research, genetic engineering, and biotechnology (see below).