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