Medicine: The Second Circulation

For once, the Greeks had no word for it: they neither understood nor named the body's system of glands and connecting channels through which colorless fluids flow. The Romans did coin a name, but for the fluid only. They called it lympha, after a fancied resemblance to clear spring water. But nothing about the lymphatic system was clear then, or for another 2,000 years. Only now, says Tulane University's Physiologist Hymen S. Mayerson in a report to the American College of Surgeons, are the workings of the lymphatic system beginning to be understood. The body's second circulation system, he says, plays...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!