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Surfactant in newborn lung
- Prof Giorgio Gabella
- Digital Images
Attribution 4.0 International (CC BY 4.0)
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About this work
A section through part of an air sac (alveolus) in the lung of a new-born lamb viewed with a transmission electron microscope (TEM). At the bottom left is one of the cells which line the alveolus. The cell contains sacs of material which will go on to form surfactant, a substance that helps to expand the air spaces in the lungs to allow breathing, here seen top right.