Ciliary motility studies.
D000818:Animals; D000830:Animals, Laboratory; D001001:Anura; D002415:Cats; D002923:Cilia / Q000502:physiology*; D046508:Culture Techniques; D006813:Humidity; D008027:Light; D008722:Methods; D008954:Models, Biological; D009093:Mucus; D010784:Photomicrography; D010947:Plants, Toxic; D011817:Rabbits; D012119:Respiration; D014026:Nicotiana; D014132:Trachea / Q000378:metabolism / Q000502:physiology*