The effect of a surface-active agent ("tween 20") on speed of transportation by the frog's ciliated mucous membrane.
D000818:Animals; D001001:Anura; D009092:Mucous Membrane / Q000494:pharmacology*; D011136:Polysorbates; D011898:Ranidae; D013501:Surface-Active Agents / Q000494:pharmacology*; D014186:Transportation
D011136:Polysorbates; D013501:Surface-Active Agents
MUCOUS MEMBRANE/pharmacology; SURFACE-ACTIVE AGENTS/pharmacology