Hilum of lymph node
Encyclopedia
The Hilum of lymph node is the concave portion of the lymph node
where the efferent vessels exit.
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...
where the efferent vessels exit.