Brachiopods and mollusks are 2 shell-bearing phyla that diverged from a common shell-less ancestor more than 540 million years ago. Brachiopods and bivalve mollusks have also convergently evolved a ...

The lymphatic system plays a key role in maintaining the body’s fluid balance and supporting immune defences. Lymphatic vessels are composed of a single layer of endothelial cells, allowing the ...

Researchers at the University of California, Riverside have unlocked the molecular give and take that allows cells in thin structures such as leaves to develop in a jigsaw-like pattern, providing the ...

While researchers have long been familiar with the surface structure of lymphatic vessels, a groundbreaking study has now focused on their jigsaw puzzle–like pattern. This arrangement helps cells ...