The 10-layer Structure Through Which A Spinal Tap Passes

Spinal puncture is also known as lumbar puncture and lumbar puncture

The needle should pass through the skin, subcutaneous tissue, supraspinous ligament, interspinous ligament between the spinous process, ligamentum flavum, epidural space (which includes the internal vertebral venous plexus, dura mater, and arachnoid), into the subarachnoid space, and between the cauda equina nerve roots. As the needle passes through the ligamentum flavum, the physician feels a sense of penetration.

Subcutaneous tissue: superficial fascia, deep fascia

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