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Pulmonary surfactant is a surface-active lipoprotein complex (phospholipoprotein) formed by type II alveolar cells. The proteins and lipids that make up the surfactant have both hydrophilic and hydrophobic regions.
The word surfactant is a blended word from the base words âsurface acting agentâ and are usually organic compounds that contain lipophilic (oil attracting) and hydrophilic (water attracting) agents allowing the compound to combine attract oily dirt in hair and skin and wash it away.