Small bean-shaped structures scattered along the vessels of the lymphatic system. The lymph nodes produce white blood cells and filter bacteria and cancer cells that may travel through the system.
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Hemolymph nodes or glands and hemal nodes which are so abundant in some mammals are probably not present in man.
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Lymph nodes, like any other tissue, receive a blood supply. When dendritic cells and lymphocytes find themselves in a venule draining the capillaries of a lymph node (called a postcapillary venule), ...
Lymph nodes are small irregularly shaped masses through which lymph vessels flow. Clusters of nodes occur in the armpits, groin, and neck.
Following T cell development, matured, naïve (meaning they have never been exposed to the antigen to which they can respond) T cells leave the thymus and begin to spread throughout the body, including the lymph nodes.
Lymph organs include the bone marrow, lymph nodes, spleen, and thymus. Bone marrow contains tissue that produces lymphocytes. B-lymphocytes (B-cells) mature in the bone marrow. T-lymphocytes (T-cells) mature in the thymus gland.
It could be a surface in the vagina, or the anal canal, or in lymph nodes if it's injected into the blood stream. The first line of defense-because you don't have time for specific responses-is the innate immune system.
When you get older, you may get sick and your doctor will check for swollen lymph nodes. Those nodes are often found in your thighs, armpits, and neck and are essential parts of your immune system.
Migration of HIV bearing activated dendritic cells to helper T cell areas of lymph nodes may specifically infect helper T cells specific for HIV peptides.
A variety of white blood cells present in blood, lymph nodes, spleen, thymus gland, gut wall and bone marrow.
Another important role is to bring foreign cells, viruses and other material to the lymph nodes. Lymph nodes are scattered throughout the body. They contain large numbers of lymphocytes, produced in the bone marrow, which fight infections.
- A type of leukocyte found in the blood, lymph nodes and certain organs. Lymphocytes are continuously made in the bone marrow (see also B lymphocytes and T lymphocytes).
(lim-fat-ik)
A system of vessels and lymph nodes, separate from the circulatory system, that returns fluid and protein to the blood.
lymphocyte ...
Winterbottom's sign Swollen lymph nodes at the base of the skull, symptomatic of African sleeping sickness.
(Science: anatomy) The tissues and organs (including the bone marrow, spleen, thymus and lymph nodes) that produce and store cells that fight infection and the network of vessels that carry lymph.
Cancer of the developing blood cells in the bone marrow. Leukemia leads to rampant overproduction of white blood cells (leukocytes); symptoms usually include anaemia, fever, enlarged liver, spleen, and/or lymph nodes. [Talking Glossary]
Lysosome ...
Milton Rossman (University of Pennsylvania) reviewed the immunology of chronic beryllium disease (CBD), first described in 1946 as a "delayed chemical pneumonitis." CBD also causes granulomas in the skin, liver, lymph nodes, and conjunctiva.
 See also: Nodes, Lymph, Cells, Blood, Human
  
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