Our bodies' tissues need continuous irrigation and drainage. Blood vessels feeding the tissues bring in the fluids, and drainage occurs via the lymphatic system. While much is known about how blood ...

To act as a robust barrier against pathogens while also absorbing needed nutrients, the lining of the intestines must regenerate on a daily basis to remain equal to the task. The intestine's resident ...

Given the amount of wear and tear it's subjected to on a daily basis, the skin has a phenomenal ability to replenish itself. Spread throughout it are small reservoirs of stem cells, nested within ...

In addition to our network of blood vessels, humans have a network of vessels known as lymphatic vessels. These vessels have a role in many processes in the body, including regulating fluid levels in ...

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 ...

Composed of lymph vessels, lymph nodes and organs, the lymphatic system absorbs excess fluid and returns it to the bloodstream, absorbs fat in the villi of the small intestine and works with the ...

We spend a lot of time caring for the body’s circulatory system, with almost all of our attention focused on the health of our cardiovascular system, the heart and its 60,000 miles of arteries, veins ...

Laurencia Villalba is a vascular surgeon in private and public practice. Alison Tomlin and Theresa Larkin do not work for, consult, own shares in or receive funding from any company or organization ...

If you visit the doctor because of a sore throat, he’ll examine your lymph nodes faster than you can say “strep test.” He won’t check all of them because there are hundreds of lymph nodes in your body ...