to test their micropinocytotic capacity and characterize the cellular mechanisms involved in membrane , solute and ligand movements , living embryos of xenoophorus captivus were incubated in saline media containing horseradish peroxidase ( hrp ) and/or cationized ferritin ( cf ) in vitro , and the uptake of these tracer proteins examined by both time sequence analysis and pulse-chase procedures .
C0007634
cellular
C1326471
uptake