Disaccharidase deficiency involves decreased hydrolysis of the disaccharides double-sugars by the disaccharidase enzymes lactase; maltase-glucoamylase; sucrase-isomaltase; palatinase and trehalase.  What is the Pathology of Disaccharidase Deficiency? The pathology of disaccharidase deficiency is: -Etiology: The cause of disaccharidase deficiency is autoimmune…