laryngotracheobronchitis: inflammation of the larynx and trachea and bronchial passageways
inflammation: a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat
cyclops: minute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimming; important in some food chains and as intermediate hosts of parasitic worms that affect man e.g. Guinea worms