Polity

A form of government. The functions of the government a city or town. P., Medical, the sanitary regulations of a community. Politzer's Ear-bag. An instrument for filling the tympanic cavity with air. It consists e entially of a large, gourd-like rubber bulb and a tube with a hard rubber tip to fit into the nose. P.'s Method, a method of inflating the middle ear and clearing the Eustachian tube by filling one nostril with -air from a rubber-bag, the other ear being closed and the patient, at the moment of inflation, performing the act of swallowing, during which the pharyngeal end of the Eustachian tube is open.