Where is sulfide found in nature? Hydrogen sulfide is found naturally incrude petroleum and natural gas. It is also produced through the bacterial breakdown of organic matter. Hydrogen sulfide can be produced by decomposing human and animal waste, and is found in sewage treatment plants and livest...
Three sequential pathological stages of exudation, cellular proliferation and fibrosis are commonly recognised. In the early exudative phase, alveolar epithelial and endothelial injury lead to the accumulation of protein-rich pulmonary oedema. This phase is followed by varying degrees of type II cell ...