abnormal lung elastance decreased lung elastance 2011-04-08T01:13:37Z decreased pulmonary elastance reduced lung elasticity MPheno.ontology reduced lung elastance reduced pulmonary elastance reduced ability of the lung to recoil toward its resting dimensions upon removal of pressure without disruption, usually expressed as the unit volume of change in the lung per unit of decreased pressure change; the reciprocal of compliance mgi MP:0011045 decreased lung elasticity