- May 2, 2026The lateral sacral veins accompany the lateral sacral arteries on the anterior sacral surface, draining the sacral muscles, sacral canal…
- May 2, 2026The posterior internal vertebral venous plexus consists of two longitudinal channels running in the epidural space posterior to the dura,…
- May 2, 2026The basivertebral veins are large, valveless vessels running through the central cancellous bone of each vertebral body, draining into the…
- May 2, 2026The internal vertebral venous plexus (Batson's plexus) consists of two anterior and two posterior longitudinal veins running within the spinal…
- May 2, 2026The epidural venous plexus occupies the epidural space surrounding the dural sac, formed by the anterior internal vertebral veins and…
- May 2, 2026The ascending lumbar veins are paired paravertebral vessels connecting the common iliac veins below to the azygos vein on the…
- May 2, 2026Four paired lumbar arteries arise from the posterior aorta at each lumbar vertebral level (L1-L4), wrapping around the vertebral bodies…
- May 2, 2026The median sacral vein accompanies the median sacral artery on the anterior surface of the sacrum, draining into the left…
- May 2, 2026The posterior spinal arteries are paired longitudinal vessels descending on the posterolateral surface of the spinal cord, one on each…
- May 2, 2026The four pairs of lumbar veins drain the posterior abdominal wall, paraspinal muscles, and the lumbar vertebral column, draining into…