Lymphomarefers to a malignancy of the lymphatic system. The lymphatic system is a network of nodes (knots of tissue) connected by vessels. Together, the lymph nodes drain fluid and waste products from the body. The lymph nodes act as tiny filters, removing foreign organisms and cells. ...
the clear outer layer. They'll also examine the iris -- the colored part of your eye -- and the lens that sits behind it. The lens bends light as it enters your eye so you can see things clearly.