It is particularly preferred that proximity be used as the property, because {TAIL ~ the time difference} between {HEAD ~ two images} can be set in such a way that the cell has not moved out the immediate vicinity of its position in the first image by the time the second image is made 
It is particularly preferred that proximity be used as the property , because { TAIL ~ the time difference } between { HEAD ~ two images } can be set in such a way that the cell has not moved out the immediate vicinity of its position in the first image by the time the second image is made
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH