Regulation of fluid and mucous secretions in airways.
D000818:Animals; D001693:Biological Transport, Active; D002415:Cats; D004285:Dogs; D005088:Exocrine Glands / Q000378:metabolism; D009093:Mucus / Q000378:metabolism*; D011942:Receptors, Adrenergic, alpha / Q000502:physiology; D014132:Trachea / Q000378:metabolism
D011942:Receptors, Adrenergic, alpha