Lymph Nodes | Science | Class XI

The lymph vessels pass through lymph nodes, which manufacture lymphocytes, with each node connected to incoming and outgoing lymphatic vessels. Each lymph node consists of a mass of lymphatic tissue surrounded by a fibrous capsule. The lymph nodes are usually grouped together; concentrations of lymph nodes which serve the head and limbs are found in the lower jaw and neck, the armpit (axilla), and the groin; lymph from the internal organs of the thorax and abdomen drains into chains of lymph nodes along major arteries and the aorta. Lacteals, important in the absorption of fats, are lymphatic vessels in the walls of the digestive system which collect large molecules and lipids (chyle) extracted from food.

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