title: A study of the motion of cells of the freshwater sponge Ephydatia fluviatilis in the aggregation process. II. Parameters of motion.
mesh_terms: D000818:Animals; D002449:Cell Aggregation; D002465:Cell Movement; D003201:Computers; D008433:Mathematics; D008722:Methods; D009040:Motion Pictures; D011161:Porifera / Q000166:cytology*; D013997:Time Factors