Overview of the Lymph Node Anatomy
Lymph nodes are part of the lymphatic system. They are generally seen in groups throughout the body. The primary function of a lymph node is to produce lymphocytes (lymph cells) which are essential for fighting off foreign bodies and dangerous microorganisms. The lymph nodes serve as “strainers” to clean the bloodstream. An individual could have lymph nodes ranging from 500 to 600. Clusters of lymph nodes are found in the:
- Cervical region – the lymph nodes in this area is found below the jaw, behind the ears, and in the neck.
- Axillary region – located at the armpit and supply lymph nodes to the chest, torso, breast, and the superior abdominal part.
- Inguinal region – the nodes are supplied from the superficial aspect of the genitalia, legs, and the inferior abdominal wall.
- Pelvic area – the nodes are mostly clustered adjacent to the great arteries of the pelvic area.
- Abdominal cavity – the nodes here are clustered near the arteries of the gastrointestinal tract and the abdominal aorta.
- Thoracic cavity – the nodes involved are located between the lungs, along the larynx, bronchi, and the deep wall of the chest.
General Characteristics of the Lymph Node Anatomy
The lymph nodes also serve as an identifying mark for infection. A person would have inflamed lymph nodes when having infection. This can also be a sign for dire diseases such as cancers. In fact, lymph nodes are used for staging cancers and determining the right course of action.
Structure of a Lymph Node
Summary of the Anatomy of Lymph Nodes
The lymph node anatomy is a network of structures that are essential for effectiveness of the immune system. It is greatly distributed in various parts of the body. The lymph nodes have clinical significance since this could be used as a sign for a disease.
By now, you should be familiar with the different aspects of lymph nodes. The lymph node anatomy is very important for staying fit and free from diseases.