title: Studies on mucous flow of the trachea and scanning electron microscopic studies of mucous membrane.
mesh_terms: D000818:Animals; D004285:Dogs; D005260:Female; D066298:In Vitro Techniques; D008297:Male; D008855:Microscopy, Electron, Scanning; D009092:Mucous Membrane / Q000502:physiology / Q000648:ultrastructure; D009093:Mucus / Q000502:physiology*; D014132:Trachea / Q000648:ultrastructure*