Synonym Discussion of extricate. extricate, disentangle, untangle, disencumber, disembarrass mean to free from what binds or holds back. extricate implies the use of care or ingenuity in freeing from a difficult position or situation. â¨extricated himself from financial difficultiesâ© disentangle and untangle suggest painstaking separation of a thing from other things.
Legionella are bacteria that live in water that can cause two types of illness in humans: Legionnairesâ disease and Pontiac fever.Legionnairesâ disease is a serious respiratory illness that results in pneumonia.egionella are bacteria that live in water that can cause two types of illness in humans: Legionnairesâ disease and Pontiac fever.
Causes. The bacterium Legionella pneumophila is responsible for most cases of Legionnaires' disease. Outdoors, legionella bacteria survive in soil and water, but rarely cause infections.