vein lumen

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• Lumen (anatomy) — A lumen (Lat. lūmen , an opening or light) (pl. lumina) is the inside space or lining of a tubular structure, such as an artery or intestine. [Stedman s Medical Dictionary, 24th ed.] For example: * The interior of a vessel, such as the central… …   Wikipedia

• Vein — A blood vessel that carries blood low in oxygen content from the body back to the heart. The deoxygenated form of hemoglobin (deoxyhemoglobin) in venous blood makes it appear dark. Veins are part of the afferent wing of the circulatory system… …   Medical dictionary

• Azygos vein — Infobox Vein Name = PAGENAME Latin = vena azygos GraySubject = 172 GrayPage = 667 Caption = Superior vena cava, inferior vena cava, azygos vein and their tributaries. (Vena azygos labeled at center.) Caption2 = POSTERIOR VIEW: The position and… …   Wikipedia

• digestive system, human — Introduction  the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… …   Universalium

• digestive system disease — Introduction       any of the diseases that affect the human digestive tract. Such disorders may affect the esophagus, stomach, small intestine, large intestine (colon), pancreas, liver, or biliary tract. A prevalent disorder of the digestive… …   Universalium

• Intravenous therapy — or IV therapy is the giving of liquid substances directly into a vein. It can be intermittent or continuous; continuous administration is called an intravenous drip. The word intravenous simply means within a vein , but is most commonly used to… …   Wikipedia

• Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate …   Wikipedia

• Aortic dissection — Classification and external resources Dissection of the aorta descendens (3), which starts from the left subclavian artery, reaching to the abdominal aorta (4). Aorta ascendens (1) and aortic arch (2) are not involved …   Wikipedia

• Atherosclerosis — For the journal, see Atherosclerosis (journal). Atherosclerosis Classification and external resources The progression of atherosclerosis (size exaggerated; see text) ICD 10 …   Wikipedia

• renal system — ▪ anatomy Introduction  in humans (human body), organ system that includes the kidneys, where urine is produced, and the ureters, bladder, and urethra for the passage, storage, and voiding of urine.       In many respects the human excretory, or… …   Universalium

• Atheroma — Classification and external resources Atherosclerotic plaque from a carotid endarterectomy specimen. This shows the bifurcation of the common into the internal and …   Wikipedia