Absence of gas from a part or the whole of the lungs, due to failure of expansion or resorption of gas from the alveoli. See Also: pulmonary collapse.
Origin
adhesive atelectasis
cicatrization atelectasis
parenchymal atelectasis
passive atelectasis
patchy atelectasis
platelike atelectasis
primary atelectasis
resorption atelectasis
round atelectasis
secondary atelectasis
segmental atelectasis
subsegmental atelectasis