bronchodilator (brong-koh-dy-lay-ter) n. an agent, such as formoterol, terbutaline, salbutamol, ipratropium, or theophylline, that causes widening of the air passages by relaxing bronchial smooth muscle.
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airway , airway •Kabwe • hatchway • trackway •tramway • gangway • Yahweh •archway • parkway • pathway •headway • segue • expressway •airway, fairway, stairway… passage , pas·sage1 / ˈpasij/ • n. 1. the act or process of moving through, under, over, or past something on the way from one place to another: there were moo… Lay , lay1 / lā/ • v. (past laid / lād/ ) 1. [tr.] put down, esp. gently or carefully: she laid the baby in his crib. ∎ [tr.] prevent (something) from risi… Meatus , meatus (mee-ay-tŭs) n. (in anatomy) a passage or opening. external auditory m. the auditory canal: the passage leading from the pinna of the outer ea… Northwest Passage , Northwest Passage, water routes through the Arctic Archipelago, N Canada, and along the northern coast of Alaska between the Pacific and Atlantic oce… exhalation , ex·ha·la·tion / ˌeks(h)əˈlāshən/ • n. the process or action of exhaling. ∎ an expiration of air from the lungs: he let his breath out in a long exhal…
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