License Renewal Information: 1  All Physician and Physician Pro Bono licenses expire on April 30 of odd-numbered years.  All Physician Training licenses expire on August 31, 2015, are good for three years, and can only renew once (for a total of six years).
The white blood cells or lymphocytes produced by these lymph nodes kill bacteria and viruses entering the body. Lymph nodes are very small organs, only about 1-2 cm in size and are found as a network throughout the body.odgkin's Disease. Hodgkin's disease is one of the serious lymph nodes diseases, and it is a type of cancer, in which the lymphocytes are commonly affected and the victim with this type of cancer becomes vulnerable to many other diseases as the immune system is going be to partially or completely destroyed.
Leukocytes are not limited to blood. They occur elsewhere in the body as well, most notably in the spleen, liver, and lymph glands. Most are produced in our bone marrow from the same kind of stem cells that produce red blood cells.Others are produced in the thymus gland, which is at the base of the neck. Some white cells (called lymphocytes) are the first responders for our immune system.eukocytes are not limited to blood. They occur elsewhere in the body as well, most notably in the spleen, liver, and lymph glands. Most are produced in our bone marrow from the same kind of stem cells that produce red blood cells. Others are produced in the thymus gland, which is at the base of the neck.