What is an Encapsulated lymph node?

Encapsulated lymph nodes are lymph nodes that are surrounded by a dense fibrous capsule. This capsule helps to protect the lymph node from damage and infection. Encapsulated lymph nodes are found in all parts of the body, but they are most common in the neck, armpits, and groin.

The lymph nodes are small, bean-shaped organs that are part of the lymphatic system. The lymphatic system is a network of vessels and nodes that helps to drain fluid and waste products from the tissues of the body. The lymph nodes filter the fluid and remove any harmful substances, such as bacteria and viruses.

The encapsulated lymph nodes are composed of several different types of cells, including lymphocytes, macrophages, and dendritic cells. Lymphocytes are white blood cells that help to fight infection. Macrophages are cells that engulf and destroy foreign particles, such as bacteria and viruses. Dendritic cells are cells that present antigens (pieces of foreign proteins) to lymphocytes, which helps to activate the immune response.

The encapsulated lymph nodes play an important role in the body's immune system. They help to filter out harmful substances from the body and they also help to activate the immune response when the body is infected.