Term Name:	pulmonary immaturity
Synonyms:	primary atelectasis of newborn, primary atelectasis, in perinatal period
Definition:	A lung disease that is characterized by pulmonary collapse, accompanied by hypoventilation which can affect a lobe, segment, or all of the lung, resulting in a decrease in the ventilation/perfusion ratio.
Ontology:	Human Disease [DOID:424]   ( DOID:424 )