The regulation of thirst and maintenance of body fluid homeostasis are critical processes for survival, orchestrated by an intricate network of neural and molecular mechanisms. The brain continuously ...

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 cells that make up the walls of the finest of all lymphatic vessels have a lobate, oak leaf-like shape that makes them particularly resilient to changes in fluid volume. A similar cell shape also ...