Biological process

down regulation of exosomal secretion, down regulation of exosomal secretory pathway, down regulation of extracellular vesicular exosome secretion, down regulation of secretion of exosome, down-regulation of exosomal secretion, down-regulation of exosomal secretory pathway, down-regulation of extracellular vesicular exosome secretion, down-regulation of secretion of exosome, downregulation of exosomal secretion, downregulation of exosomal secretory pathway, downregulation of extracellular vesicular exosome secretion, downregulation of secretion of exosome, negative regulation of exosomal secretory pathway, negative regulation of extracellular vesicular exosome secretion, negative regulation of secretion of exosome

Any process that stops, prevents or reduces the frequency, rate or extent of exosomal secretion.