Surfactant Basics
Surfactant reduces surface tension within alveoli preventing collapse during exhalation and supporting stable gas exchange across the respiratory cycle.
Production Mechanisms
Surfactant is produced by type two alveolar cells and its composition of phospholipids and proteins ensures proper spreading across alveolar surfaces.
Surfactant Deficiency
Deficiency leads to alveolar instability decreased compliance and impaired oxygenation which is especially critical in premature infants.
Surfactant Replacement
Replacement therapy restores alveolar stability and improves oxygenation in neonatal respiratory distress syndrome.
Clinical Importance
Understanding surfactant function helps guide treatment strategies for conditions involving alveolar collapse.
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