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Article
December 12, 1903

NON-TUBERCULAR HEMORRHAGES OF THE AIR PASSAGES.

Author Affiliations

Professor of Diseases of the Nose and Throat, Central College of Physicians and Surgeons; Consulting Surgeon on Diseases of the Nose, Throat and Ear, City Hospital and Dispensary. INDIANAPOLIS.

JAMA. 1903;XLI(24):1462-1465. doi:10.1001/jama.1903.92490430010002b
Abstract

The great vascularity of the mucosa lining the respiratory tract, with its delicate epithelial coverings and its close sympathetic connections through its vasomotor system with the rest of the organism, renders it exceedingly vulnerable to atmospheric conditions and to blood changes and blood pressure from within the organism. The blood vessels supplying this great stretch of mucous membrane are affected by every atmospheric condition, such as thermic and barometric changes, parasitic irritations, dusts and pollens, noxious gases, and all the filth that saturates the atmosphere from many sources. All these forms of irritation disturbing the normal functions of the membrane produce hyperemias, destroy the epithelial coverings and set up morbid processes which weaken the vessel walls and are thus important etiologic factors in the production of hemorrhage. In addition to these atmospheric causes from without, we have the various forms of traumatism to which the anatomic structure of the respiratory

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