Hyaline Membrane Disease

**Definition:** A respiratory distress syndrome in newborn infants, usually premature infants with insufficient PULMONARY SURFACTANTS. The disease is characterized by the formation of a HYALINE-like membrane lining the terminal respiratory airspaces (PULMONARY ALVEOLI) and subsequent collapse of the lung (PULMONARY ATELECTASIS).

**Tree numbers:** - C08.381.840.500.475 - C08.618.840.500.475 - C16.614.521.563.475