... ) 7 3 2012 7 8 2012 © 2012. 2012 cell differentiation cell motility regeneration Sponges (Porifera), the oldest still extant metazoan phylum, are organized in a unique ground pattern based on filter feeding by means of a prevalent canal system. They are devoid of any organ...

..., acclimation did not alter the effect of experimental temperature on cellular speed. These findings suggest that more than one temperature-sensitive mechanism may govern cell motility: the rate-limiting process(es) responsible for speed is distinct from the mechanism(s) underlying directionality...

...-transport on sodium . J. Neurobiol . 13 , 537 – 549 . amphibian Rana pipiens axoplasmic transport cell motility crustacean Procambarus clarkii local anesthetics photoreceptors pigment migration In addition to their effect on membrane excitability, local anesthetics...