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The spinal veins (veins of the medulla spinalis or veins of the spinal cord) are situated in the pia mater and form a minute, tortuous, venous plexus. They emerge chiefly from the median fissures of the medulla spinalis and are largest in the lumbar region .
"gray's anatomy" thirthy sixth edition by Williams & Warwick. "Sobotta Atlas der Anatomie des menschen" volume 1 and 2 18.Auflage by Urban & Schwarzenberg "Atlas fotografico de anatomia del cuerpo humano" 3a edicion by Yokochi, Rohen & Weinreb; multiple websites included:, , , , , , and others. Author: LadyofHats, Mariana Ruiz Villarreal
The most efficient way to study the spinal venous system along with the anterior spinal veins is to do it postmortem. These types of studies give an effective anatomical demonstration of how the system works. One of the few major studies of the venous anatomy was conducted by Armin Thron, which can be seen in his published “Vascular Anatomy ...
Anterior internal vertebral venous plexus. Basivertebral veins; Anterior spinal veins; Posterior spinal veins; Veins of upper limb Subclavian vein; Axillary vein. Subscapular vein; Circumflex scapular vein. Thoracodorsal vein; Posterior circumflex humeral vein; Anterior circumflex humeral vein; Lateral thoracic vein; Superficial veins of upper ...
Blood vessel Dorsal venous network of hand The veins on the dorsum of the hand. (Dorsal venous network labeled at center right.) Details Drains from Hand Source Dorsal metacarpal veins Drains to Cephalic vein, basilic vein Identifiers Latin rete venosum dorsale manus TA98 A12.3.08.023 TA2 4967 FMA 67977 Anatomical terminology [edit on Wikidata] The dorsal venous network of the hand is a venous ...
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 is unclear whether basivertebral veins contain functional venous valves; blood flow through basivertebral veins may be reversible, suggesting a possible mechanism for metastatic spread of e.g. prostatic cancer to the spine during temporary blood flow reversals (e.g. during periods of elevated intra-abdominal pressure or during postural alterations).
Ultrasonography of chronic venous insufficiency of the legs allows the examiner to evaluate the gross anatomy of the venous networks as well as the blood flow direction, which is crucial in determining vein pathology. It has become the reference standard used in the assessment of the condition and hemodynamics of the veins of the lower limbs.