The bag is designed to be filled to a fraction of its maximum capacity so that {HEAD ~ the cell suspension} has {TAIL ~ a very thin cross section} 
has
The bag is designed to be filled to a fraction of its maximum capacity so that { HEAD ~ the cell suspension } has { TAIL ~ a very thin cross section }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL