Arteriole-venule shunts are small muscular valves that connect directly between an arteriole and a venule to bypass the capillaries. Arrows indicate the direction of blood flow.

A new study has found that blood vessels in the retina may hold early clues about a person’s risk of developing dementia.

Objectives Cardiovascular disease (CVD) is the leading cause of death globally and the second most frequent cause of death in Denmark. Due to their unique occupational environment, seafarers are ...

Veins between two capillary networks are portal systems. Closed circulatory system, but fluid constituents of blood leak out of capillaries and return to the heart by the second component of the ...

Then branching off into smaller streams called arterioles. It's perfectly shaped to squeeze through tiny, slow-moving capillaries. And without a fat nucleus, it just about gets through.

The inflammation affects the smaller vessels of the skin such as the capillaries and the medium-size vessels that include venules and arterioles. Small vessel vasculitis is the most common cause ...