In photosynthesis, the light-dependent reactions take place on the thylakoid membranes. The inside of the thylakoid membrane is called the lumen, and outside the thylakoid membrane is the stroma, where the light-independent reactions take place.
Lymphangioma is often formed during fetal development because of a blockage and subsequent tangling in your lymphatic system. Your lymphatic system is an important part of your immune system which is where the bacteria and any other foreign substances are destroyed.
Because the lymphangioma does not have a chance of becoming malignant most them are treated for cosmetic reason. In cases that are not severe draining the fluid could give you short-term relief. Some patients have radiotherapy which is a form of medical therapy that involves using ionizing radiation.