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The ascending lumbar vein is a paired structure (i.e. one each for the right and left sides of the body). It starts at the common iliac veins. [1] It runs superiorly, intersecting with the lumbar veins as it crosses them. [1]
The 3rd and 4th lumbar veins drain into the inferior vena cava. [3]The fate of the two superior lumbar veins is far more variable, and may drain into either the inferior vena cava, ascending lumbar vein, azygos vein, or (on the left side) the left renal vein; the 1st lumbar vein often passes inferiorly to join the 2nd lumbar vein, but may less commonly drain into the ascending lumbar vein, or ...
It usually begins in the left ascending lumbar vein or renal vein, and passes upward through the left crus of the diaphragm to enter the thorax. It continues ascending on the left side of the vertebral column , and around the level of the ninth thoracic vertebra , it passes rightward across the column, behind the aorta , esophagus , and ...
Superficial veins of upper limb Cephalic vein; Basilic vein; Median cubital vein; Dorsal venous network of hand; Deep veins of upper limb Brachial veins; Ulnar veins; Radial veins; Inferior vena cava. Inferior phrenic veins; Lumbar veins; Ascending lumbar vein; Hepatic veins; Renal veins. Left suprarenal vein; Left ovarian vein; Left testicular ...
The intervertebral veins accompany the spinal nerves through the intervertebral foramina to drain the internal vertebral venous plexuses into the external vertebral venous plexuses. [1] They drain (in craniocaudal sequence) into vertebral vein , intercostal veins , lumbar veins , and lateral sacral veins .
The azygos vein transports deoxygenated blood from the posterior walls of the thorax and abdomen into the superior vena cava.. It is formed by the union of the ascending lumbar veins with the right subcostal veins at the level of the 12th thoracic vertebra, ascending to the right of the descending aorta and thoracic duct, passing behind the right crus of diaphragm, anterior to the vertebral ...
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Because of its similarities to deep vein thrombosis (DVT), May–Thurner syndrome is rarely diagnosed amongst the general population. In this condition, the right iliac artery sequesters and compresses the left common iliac vein against the lumbar section of the spine, [5] resulting in swelling of the legs and ankles, pain, tingling, and/or numbness in the legs and feet. [6]