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One should know that lymph nodes are not glands but organs in the human body. They are spread throughout the entire organism and there are about 500 to 700 lymph nodes in one body. The main role of the lymph nodes is to serve as a filter for viruses, the dead bacteria and the dead tissues from the lymphatic fluid. Furthermore, the lymph nodes are mainly consisted of white blood cells that are called lymphocytes. In the case, when the immune system is triggered, the lymph nodes manufacture high amounts of white blood cells. Due to it, the lymph nodes start to swell.

Types of lymph nodes

Since there are many lymph nodes in a body, they can be divided into several groups according to the place where are they located. In the neck are cervical lymph nodes, while in the armpits there are axillary lymph nodes. Furthermore, the lymph nodes along the collarbones are called superclavicular, while those in the groin are called inguinal lymph nodes. Femoral lymph nodes are in the upper inner thigh, whereas mesentery lymph nodes are the lymph nodes in the low abdomen bellow the rib cage. The lymph nodes that are in the upper body behind the sternum and between the lung sacs are called mediastinal lymph nodes.

Causes of swollen lymph nodes

The normal size of a lymph node is about 1 cm. However, the size may vary depending on the function of the lymph node, as well as on the location. There are several reasons that are responsible for the swelling of the lymph nodes. The most common causes are cancer and infections. When the swollen lymph nodes are soft, the cause of it can be just an infection. Firm and rubbery lymph nodes could indicate lymphoma, while rock hard nodes may indicate some type of metastatic cancer.

Healthy lymph nodes

In order to have healthy lymph nodes, it is recommended to massage the facial area, thus stimulating the lymph nodes in the neck, and behind the ears as to drain the fluid build up. This fluid starts to accumulate because of the daily intake of chemicals and because of physical inactivity and everyday stresses. The main consequences of this fluid accumulation that gradually becomes harder are painful joints, swelling, dull skin and cellulite, as well as gaining of the body weight and weak immune system. It is recommended to massage the lymph nodes in the neck and behind the ears almost every night before going to bed.

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