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  2. Lumbar veins - Wikipedia

    en.wikipedia.org/wiki/Lumbar_veins

    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 ...

  3. Ascending lumbar vein - Wikipedia

    en.wikipedia.org/wiki/Ascending_lumbar_vein

    It runs superiorly, intersecting with the lumbar veins as it crosses them. [1] It passes behind the psoas major muscle, but in front of the lumbar vertebrae. [1] When the ascending lumbar vein crosses the subcostal vein, it becomes one of the following: the azygos vein (in the case of the right ascending lumbar vein). [1] [2]

  4. Spinal veins - Wikipedia

    en.wikipedia.org/wiki/Spinal_veins

    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 .

  5. Lumbar arteries - Wikipedia

    en.wikipedia.org/wiki/Lumbar_arteries

    The lumbar arteries are arteries located in the lower back or lumbar region. The lumbar arteries are in parallel with the intercostals . They are usually four in number on either side, and arise from the back of the aorta , opposite the bodies of the upper four lumbar vertebrae .

  6. Intervertebral veins - Wikipedia

    en.wikipedia.org/wiki/Intervertebral_veins

    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. Upper posterior intercostal veins may ...

  7. List of anatomy mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_anatomy_mnemonics

    This is a list of human anatomy mnemonics, categorized and alphabetized.For mnemonics in other medical specialties, see this list of medical mnemonics.Mnemonics serve as a systematic method for remembrance of functionally or systemically related items within regions of larger fields of study, such as those found in the study of specific areas of human anatomy, such as the bones in the hand ...

  8. Inferior vena cava - Wikipedia

    en.wikipedia.org/wiki/Inferior_vena_cava

    It also joins with the azygos vein (which runs on the right side of the vertebral column) and venous plexuses next to the spinal cord. The inferior vena cava begins as the left and right common iliac veins behind the abdomen unite, at about the level of L5. [1] [2] It passes through the thoracic diaphragm at the caval opening at the level of T8 ...

  9. Internal vertebral venous plexuses - Wikipedia

    en.wikipedia.org/wiki/Internal_vertebral_venous...

    The internal vertebral venous plexuses (intraspinal veins) lie within the vertebral canal in the epidural space, [1] [2] embedded within epidural fat. [2] [3] They receive tributaries from bones, red bone marrow, and spinal cord. They are arranged into four interconnected, vertically oriented vessels - two situated anteriorly, and two ...

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