According to About.com, the major functions of lymph nodes are to assist the body's immune system and to filter lymph. About.com explains that these masses of tissue and other lymphatic organs are essential in preventing the buildup of fluid in tissues, protecting the body against infections and regulating blood pressure and volume.Continue Reading
About.com states that lymph nodes are found in each part of the body except for the central nervous system. The lymph filtered by these specialized tissues refers to the clear fluid that surrounds the cells. According to About.com, the lymph nodes have an important function of filtering the lymph of pathogens, such as bacteria and viruses, dead cells, wastes and cancerous cells. The lymph that is filtered is then returned to the blood to prevent edema or the excess fluid buildup in the tissues.
About.com also explains that lymph nodes contain lymphocytes, which are immune system cells that are responsible for identifying and battling pathogens. According to About.com, the B-cell lymphocytes contained in the lymph nodes activate when an antigen is present, and antibodies are produced to fight that particular antigen. Additionally, the T-cell lymphocytes also aid in the destruction of these harmful pathogens and promote cell-mediated immunity.Learn more about Human Anatomy
The human groin contains approximately 13 to 15 lymph nodes. There are roughly 10 superficial inguinal lymph nodes and three to five deep inguinal lymph nodes. The inguinal lymph nodes are located below the inguinal ligament in the upper inner thigh.Full Answer >
Healthline.com contains a map of the inguinal, or groin, lymph nodes. There are about 10 superficial lymph nodes and three to five deep lymph nodes in the groin.Full Answer >
Inguinal lymph nodes serve as part of the body's overall lymphatic system, which is responsible for maintaining the bloodstream's fluid balance and filtering waste as well as aiding the body's immune defense system. There are two types of inguinal lymph nodes: the superficial inguinal lymph nodes and the deep inguinal lymph nodes.Full Answer >
Swollen lymph nodes mean that there is something amiss in the body, according to the Mayo Clinic. MedlinePlus explains that the lymph nodes may swell due to an infection, an immune or autoimmune condition, cancer or certain medications.Full Answer >