Paracortex
Encyclopedia
Paracortex is the portion of a lymph node
immediately surrounding the medulla. Unlike the cortex, which has mostly immature T cells, or thymocytes, the paracortex has a mixture of immature and mature T cells. Lymphocytes enter the lymph nodes through specialised high endothelial venules
found in the paracortex.
Lymph node
A lymph node is a small ball or an oval-shaped organ of the immune system, distributed widely throughout the body including the armpit and stomach/gut and linked by lymphatic vessels. Lymph nodes are garrisons of B, T, and other immune cells. Lymph nodes are found all through the body, and act as...
immediately surrounding the medulla. Unlike the cortex, which has mostly immature T cells, or thymocytes, the paracortex has a mixture of immature and mature T cells. Lymphocytes enter the lymph nodes through specialised high endothelial venules
High endothelial venules
High endothelial venules are specialized post-capillary venous swellings characterized by plump endothelial cells as opposed to the usual thiner endothelial cells found in regular venules...
found in the paracortex.
