Categories: Lymphatic system | Anatomy stubs Medical Subject Headings (MeSH) is a huge controlled vocabulary (or metadata system) for the purpose of indexing journal articles and books in the life sciences. ... The University of Wisconsin–La Crosse (also known as UW–La Crosse, Wisconsin-La Crosse, or UW-L) is a public university located in La Crosse, Wisconsin. ... In 1828 the Medical Academy of Georgia was chartered by the state of Georgia with plans to offer a single course of lectures leading to a bachelors degree. ... A scanning electron microscope image of a single neutrophil (yellow), engulfing anthrax bacteria (orange). ... The human lymphatic system The lymphatic system is a complex network of lymphoid organs, lymph nodes, lymph ducts, lymphatic tissues, lymph capillaries and lymph vessels that produce and transport lymph fluid from tissues to the circulatory system. ... In mammals including humans, the lymphatic vessels (or lymphatics) are a network of thin tubes that branch, like blood vessels, into tissues throughout the body. ... A scanning electron microscope (SEM) image of a single human lymphocyte. ... This article does not cite any references or sources. ... Thymus, see Thyme. ... Hassalls corpuscles (or thymic corpuscles) are structures in the thymus gland, composed of epithelial reticular cells. ... The spleen is an organ located in the abdomen, where it functions in the destruction of old red blood cells and holding a reservoir of blood. ... Human blood smear: a - erythrocytes; b - neutrophil; c - eosinophil; d - lymphocyte. ... The Splenic hilum is a location on the surface of the spleen. ... The fibroelastic coat of the spleen invests the organ, and at the hilum is reflected inward upon the vessels in the form of sheaths. ... The red pulp (also called splenic pulp, but should not be confused with white pulp) is a soft mass of a dark reddish-brown color, resembling grumous blood It consists of a fine reticulum of fibers, continuous with those of the splenic trabeculae, to which are applied flat, branching cells. ... The Cords of Billroth (also known as splenic cords or red pulp cords) are found in the red pulp of the spleen between the sinusoids, consisting of fibrils and connective tissue cells with a large population of monocytes and macrophages. ... The marginal zone is a portion of the spleen. ... The altered coat of the arterioles, consisting of adenoid tissue, presents here and there thickenings of a spheroidal shape, the white pulp (Malpighian bodies of the spleen, splenic lymphoid nodules). ... Periarteriolar lymphoid sheaths (or periarterial lymphatic sheaths, or PALS) are a portion of the white pulp of the spleen. ... Lymph nodes are components of the lymphatic system. ... In some animals, including mammals, the two types of extracellular fluids are interstitial fluid and blood plasma. ... The pulp of the lymph gland does not, completely fill the spaces, but leaves, between its outer margin and the enclosing trabeculae, a channel or space of uniform width throughout. ... There are very few or no other articles that link to this one. ... In anatomy, lymph vessels are thin walled, valved structures that carry lymph away from the tissues, through the lymph nodes and thoracic duct back to the general circulation. ... High endothelial venules, or HEVs, are a subtype of blood endothelium present within lymph nodes; used by various leukocytes to gain entry into the lymph node via the blood. ... The mucosa-associated lymphoid tissue (MALT) is the diffuse system of small concentrations of lymphoid tissue found in various sites of the body such as the gastrointestinal tract, thyroid, breast, lung, salivary glands, eye, and skin. ... The mucous membranes (or mucosa) are linings of ectodermic origin, covered in epithelium, that line various body cavities and internal organs. ... Overview About 70% of the bodys immune system is found in the digestive tract. ... Peyers patches are secondary lymphoid organs, named after the 17th-century Swiss anatomist Johann Conrad Peyer. ...