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Lymph nodes of the lungs: The lymph is drained from the lung tissue through subsegmental, segmental, lobar and interlobar lymph nodes to the hilar lymph nodes, which are located around the hilum (the pedicle, which attaches the lung to the mediastinal structures, containing the pulmonary artery, the pulmonary veins, the main bronchus for each side, some vegetative nerves and the lymphatics) of ...
Lymph nodes become inflamed or enlarged in various diseases, which may range from trivial throat infections to life-threatening cancers. The condition of lymph nodes is very important in cancer staging, which decides the treatment to be used and determines the prognosis. Lymphadenopathy refers to glands that are enlarged or swollen. When ...
In embryogenesis, the skeletal system is derived from the mesoderm germ layer. Chondrification (also known as chondrogenesis) is the process by which cartilage is formed from condensed mesenchyme tissue, which differentiates into chondroblasts and begins secreting the molecules (aggrecan and collagen type II) that form the extracellular matrix.
As cartilage does not have lymph glands or blood vessels, the movements of solutes, including nutrients, occur via diffusion within the fluid compartments contiguous with adjacent tissues. [2] Cartilage gives the structures a definite but pliable form, making them strong, but with limited mobility and flexibility. [2] [3] Cartilage has no ...
A lymph node showing afferent and efferent lymphatic vessels Regional lymph nodes. A lymph node is an organized collection of lymphoid tissue, through which the lymph passes on its way back to the blood. Lymph nodes are located at intervals along the lymphatic system.
The efferent lymphatic vessel commences from the lymph sinuses of the medullary portion of the lymph nodes and leave the lymph nodes at the hilum, either to veins or greater nodes. It carries filtered lymph out of the node. Efferent lymphatic vessels are also found in association with the thymus and spleen. This is in contrast to afferent ...
Sudoriparous glands, Boerhaave's glands skin: 39 Sigmund's glands: epitrochlear lymph nodes of axilla: 40 Suzanne's gland: mouth, beneath the alveolo-lingual groove [1] mucous 41 Tiedmann's glands, Bartholin's glands, vulvovaginal glands vulva, vagina: 42 Tubarial glands: posterior nasopharynx, over the torus tubarius [2] saliva 43 Uterine ...
Lymph nodes are found between lymphatic ducts and blood vessels. Afferent lymphatic vessels bring lymph fluid from the peripheral tissues to the lymph nodes. [4] The lymph tissue in the lymph nodes consists of immune cells (95%), for example lymphocytes, and stromal cells (1% to 5%) [5] The genesis of lymph nodes begins within the blood and the ...