produced_by mucosa bodily secretion mucus uberon mucous mucoid OpenCyc:Mx4rvVjHq5wpEbGdrcN5Y29ycA CALOHA:TS-2144 GAID:1164 ENVO:02000040 galen:Mucus MESH:D009093 UBERON:0000912 UMLS:C0026727 FMA:66938 Mucus is a bodily fluid consisting of a slippery secretion of the lining of the mucous membranes in the body. It is a viscous colloid containing antiseptic enzymes (such as lysozyme) and immunoglobulins. Mucus is produced by goblet cells in the mucous membranes that cover the surfaces of the membranes. It is made up of mucins and inorganic salts suspended in water. bodily fluid