A Superior View Of The Pedicle Of The Lumbar Vertebra

Description

Rotating in a superior (cranial) perspective, the animation isolates a lumbar vertebra and brings the pedicle into prominence as it projects posteriorly from the vertebral body to meet the laminae and complete the vertebral arch. As the camera tracks over the posterior elements, the pedicles appear as paired, short cylindrical struts positioned lateral to the vertebral canal and medial to the transverse processes, framing the canal’s anterolateral boundary. Subtle changes in angle clarify how the pedicle roots blend anteriorly with the posterolateral vertebral body and posteriorly with the junction of lamina and superior articular process. Orientation stays true to anatomical position, keeping anterior toward the vertebral body and posterior toward the spinous process. Pedicle anatomy drives day to day spine practice because it is the osseous corridor for pedicle screw fixation in lumbar instrumentation, and its medial wall forms the last bony margin before the epidural space and dural sac. Malpositioned screws can breach medially toward the traversing nerve roots in the lateral recess or laterally toward the exiting nerve root near the foramen, so the relationship of pedicle to vertebral canal and superior articular process matters. Motion in the sequence makes the 3D trajectory easier to teach than a static diagram, letting you appreciate the pedicle’s width, angulation, and how it defines the superior and inferior vertebral notches that contribute to the intervertebral foramen. Use this asset in gross anatomy and musculoskeletal modules on the vertebral arch, in radiology teaching to correlate axial CT pedicle morphology, or in operative education when explaining lumbar pedicle screw entry points and safe zones. Anatomical accuracy verified by SciePro's Medical Advisory Board.