Mucous flow and ciliary activity in the trachea of healthy rats and rats exposed to respiratory irritant gases (SO2, H3N, HCHO):  a functional and morphologic (light microscopic and electron microscopic) study, with special reference to technique.
D000641:Ammonia / Q000494:pharmacology*; D000818:Animals; D004583:Electrons; D005557:Formaldehyde / Q000494:pharmacology*; D005740:Gases / Q000494:pharmacology*; D007509:Irritants; D008853:Microscopy; D008854:Microscopy, Electron; D009093:Mucus; D051381:Rats; D012143:Respiratory Physiological Phenomena; D013455:Sulfur / Q000494:pharmacology*; D014132:Trachea / Q000502:physiology*
D005740:Gases; D007509:Irritants; D005557:Formaldehyde; D013455:Sulfur; D000641:Ammonia
AMMONIA/effects; FORMALDEHYDE/effects; GASES/effects; MICROSCOPY, ELECTRON; SULFUR/effects; TRACHEA/physiology