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 ...

Maybe we should have had the Turkey oak, Quercus laevis, back at Thanksgiving: some people think that the leaves of this little tree resemble a turkey’s foot, which for me would require a good bit of ...

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 ...