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.
Lumbricus terrestris. Lumbricus terrestris is a large, reddish worm species widely distributed around the world (along with several other lumbricids). In some areas where it is an introduced species, some people consider it a serious pest for outcompeting native worms.