The lymphatic system is a network of branching vessels that regulate fluid balance and support the immune system. Its smallest capillaries, comprised of a single endothelial cell layer, must stay ...

This photograph highlights the structure of both the vascular and lymphatic systems. The ear is injected intradermally with blue dye to visualize the lymphatic vessels (lymphangiography). The blood ...

Lymph nodes are key control centers in the immune system and play an important role in defending the body against infections ...

To act as a robust barrier against pathogens while also absorbing needed nutrients, the lining of the intestines must regenerate on a daily basis to remain equal to the task. The intestine's resident ...

In its response to pathogens and vaccines, our immune system relies on dendritic cells. These white blood cells patrol the body's tissues, collect components of pathogens and vaccines and transport ...

In aggressive lymphomas, inflammatory messengers reprogram the "conductors" of the immune system, causing lymph nodes ...

The cells that make up the walls of the finest of all lymphatic vessels have a lobate, oak leaf-like shape that makes them particularly resilient to changes in fluid volume. A similar cell shape also ...

Predictive factors of ductal spreading in preoperative breast cancer patients. Background: Triple-negative breast cancer (TNBC) comprises of about 15%-20% of all breast cancer cases. Many studies have ...

Changes in the structure of the skin and the lymphatic system that occur with the natural aging process create permissive conditions for melanoma metastasis. Changes in the structure of the skin and ...

Cervical lymph nodes are small nodes or glands in the neck. Swelling in the neck may indicate a nearby infection or other health condition. Treatment for cervical lymph nodes can depend on the cause.