[Adrenergic innervation of lymph nodes and the thoracic duct].
By means of incubation of slices in 2% solution of glyoxylic acid distribution of adrenergic fibers in the rabbit lymph nodes and in the thoracic lymphatic duct has been studied. Adrenergic fibers get into parenchyma of the lymph nodes via two ways. The first--the perivascular, when the nervous fibers make a plexus and get into the node along the blood vessels, the second--diffuse nervous fibers get together with trabecules in between the lymphoid nodules. The distribution density of the adrenergic fibers is not the same in different groups of the lymph nodes. In the lumbar nodes it is the highest. In the lymph nodes of the cervical part the density of the sympathetic fibers is, as a rule, lower than in the lumbar, but higher than in the axillary nodes. The lowest density of th adrenergic fibers is in the mesenteric, superficial inguinal lymph nodes and in the lymph nodes, situating near the thoracic part of the aorta. In the lymphatic duct wall small amount of adrenergic fibers are revealed, they form a plexus, predominantly in the cranial part.
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D000320:Adrenergic Fibers / Q000033:anatomy & histology*; D000818:Animals; D001365:Axilla; D005629:Frozen Sections; D006119:Groin; D008161:Lumbosacral Region; D008198:Lymph Nodes / Q000294:innervation*; D008643:Mesentery; D009333:Neck; D011817:Rabbits; D013897:Thoracic Duct / Q000294:innervation*
Adrenergicheskaia innervatsiia limfaticheskikh uzlov i grudnogo protoka.