What is lacuna vasorum?

Lacuna vasorum is a term used in anatomical studies to describe the small spaces or gaps that exist between the blood vessels and the surrounding tissue. These lacunar spaces are filled with extracellular fluid and are lined by endothelial cells.

In the context of the cardiovascular system, lacuna vasorum refers specifically to the small spaces that are present in the arterial wall, especially in the outer layer of the tunica adventitia. These lacunar spaces are thought to play a role in the transport of nutrients, oxygen, and waste products to and from the arterial wall and the surrounding tissues.

The importance of lacuna vasorum in health and disease is still not fully understood. Researchers have suggested that these spaces may play a role in the development of atherosclerosis, as they may provide a conduit for inflammatory cells to enter the arterial wall and promote plaque formation. However, further research is needed to fully understand the role of lacuna vasorum in cardiovascular disease and other conditions.