These images use color markers—blue for nuclei, red for cell membranes, and green for fluid—to show that spaces between cells shrink as fluid moves out during tissue compression, from left to right ...

The lymphatic system is a network of vessels, nodes, and ducts that pass through almost all bodily tissues. It allows the circulation of a fluid called lymph through the body in a similar way to blood ...

Water makes up around 60 percent of the human body. More than half of this water sloshes around inside the cells that make up organs and tissues. Much of the remaining water flows in the nooks and ...

Pathology is a branch of medical science primarily concerning the cause, origin, and nature of disease. It involves the examination of tissues, organs, bodily fluids, and autopsies in order to study ...