While cells in blood vessels and in most other lymphatic vessels are carried along by a flow of fluid, virtually no flow is present in lymphatic capillaries. Consequently, cells in these capillary ...

The lymphatic system is a network of branching vessels that regulate fluid balance and support the immune system. Its smallest capillaries, comprised of a single endothelial cell layer, must stay ...

In its response to pathogens and vaccines, our immune system relies on dendritic cells. These white blood cells patrol the body's tissues, collect components of pathogens and vaccines and transport ...