<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A constellation of symptoms that include abnormal dryness of the mouth, eyes and other mucous membranes. The condition is seen in patients with Sjogren syndrome, sarcoidosis, amyloidosis, and deficiencies of vitamins A and C.</n0:def-definition><n0:def-source>NCI</n0:def-source><n0:attr>Mosby's Medical, Nursing, and Allied Health Dictionary</n0:attr></n0:ComplexDefinition>