negatively regulates morphogenesis of an epithelium negative regulation of developmental process biological regulation regulation of morphogenesis of an epithelium negative regulation of morphogenesis of an epithelium An example of this is MMRN2 in human (Q9H8L6) in PMID:25745997 (inferred from direct assay). down regulation of morphogenesis of an epithelium down-regulation of epithelium morphogenesis down regulation of epithelium morphogenesis down-regulation of morphogenesis of an epithelium bhm inhibition of morphogenesis of an epithelium negative regulation of epithelium morphogenesis downregulation of epithelium morphogenesis inhibition of epithelium morphogenesis GO:1905331 biological_process downregulation of morphogenesis of an epithelium 2016-07-22T07:13:57Z Any process that stops, prevents or reduces the frequency, rate or extent of morphogenesis of an epithelium.