The LASIK surgeon uses a computer to adjust the laser for your particular prescription. You will be asked to look at a target light for a short time while the laser sends pulses of light to painlessly reshape your cornea. The actual LASIK surgery usually takes less than five minutes.
Quick Answer. Most lymph nodes are located in the head, neck, armpits and groin area, explains Mayo Clinic. There are hundreds of these nodes in the body located in other regions such as the joints, elbows and knees and around the lungs and bowels, states the American Cancer Society. Continue Reading.
Lymph nodes occur along the course of the lymphatic vessels. They filter the lymph as it drains back to the bloodstream. Lymph nodes are important sites of interaction between antigens, antigen presenting cells, and lymphocytes. Normally, they are only a few millimeters in diameter. However, when an immune response is initiated, the lymphocytes within the lymph nodes undergo activation and proliferation, causing the nodes to enlarge.