Know how to use "fewer" and "less"? Find out.
transcytosis trans·cy·to·sis (trāns'sī-tō'sĭs, trānz'-)
A mechanism for transcellular transport in which a cell encloses extracellular material in an invagination of the cell membrane to form a vesicle, then moves the vesicle across the cell to eject the material through the opposite cell membrane by the reverse process. Also called vesicular transport.