abnormal lung elastance decreased lung elastance 2011-04-08T01:13:37Z MP:0011045 MPheno.ontology decreased lung elasticity decreased pulmonary elastance mgi 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 reduced lung elastance reduced lung elasticity reduced pulmonary elastance