L3 Vertebrae Analysis
L3 Vertebrae Analysis - Related Videos
01:30
General Structure of a Vertebra
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2025
A typical vertebra, with the exception of the sacrum and coccyx, consists of a body, a vertebral arch, and seven different projections termed processes. The anterior portion of the vertebrae, the body, supports about half the body’s weight. The vertebral bodies progressively increase in size and thickness from the cervical region to the lumbar region of the vertebral column. The intervertebral discs present between the bodies of adjacent vertebrae firmly unites them, forming a continuous column.
07:30
3D Printing Model of a Patient's Specific Lumbar Vertebra
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Cited by 4 •
2023
This study aims to create a 3D-printed model of a patient-specific lumbar vertebra, which contains both the vertebra and spinal nerve models fused from high-resolution computed tomography (HRCT) and MRI-Dixon data.
07:52
Mouse Lumbar Vertebra Uniaxial Compression Testing with Embedding of the Loading Surface
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Cited by 1 •
2023
In this protocol, two approaches are described to make uniaxial compression testing of mouse lumbar vertebrae more attainable. First, the conversion of a three-point bending machine to a compression testing machine is described. Second, an embedding method for preparing the loading surface that uses bone cement is adapted for mouse lumbar vertebrae.
04:36
Surgical Induction of Lumbar Spine Instability in Mouse Model: A Surgical Procedure for the Resection of the Lumbar Spinous Processes and Connected Ligaments in Murine Model
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2025
In this video, we describe the surgical procedure to induce lumbar spine instability in a mouse model by resecting the Lumbar L3 to L5 spinous process along with supraspinous and interspinous ligaments.
07:12
Semiautomated Longitudinal Microcomputed Tomography-based Quantitative Structural Analysis of a Nude Rat Osteoporosis-related Vertebral Fracture Model
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Cited by 1 •
2017
The goal of this protocol is to generate a nude rat osteoporosis-related vertebral compression fracture model that can be longitudinally evaluated in vivo using a semiautomated microcomputed tomography-based quantitative structural analysis.
FAQs
The imaging modality determines which features receive the most attention. Radiographs help evaluate vertebral shape and alignment, CT provides detailed assessment of cortical and trabecular bone, and MRI demonstrates nearby discs and neural structures. Reviewing these complementary findings allows clinicians to assess both the bony vertebra and the tissues that may influence its clinical significance.
Cortical and trabecular bone represent distinct structural aspects of the vertebra, so assessing both provides a more complete view of its condition. Their evaluation can contribute to identifying fractures, bone loss, tumors, infection, or other abnormalities affecting vertebral integrity. This detail also supports quantitative research focused on spinal structure and health.
L3 cannot be interpreted in isolation because neighboring discs and neural structures may alter the clinical meaning of a vertebral finding. Examining these tissues helps place abnormalities within the surrounding lumbar anatomy and supports assessment of degenerative changes, deformity, tumors, infection, and other conditions that may involve more than the vertebral body itself.
A structured review begins with the vertebra’s shape and alignment, then examines cortical and trabecular bone before assessing adjacent discs and neural structures. The evaluator can then relate observed findings to possible fractures, degeneration, deformity, infection, tumors, or bone loss. This sequence promotes consistent documentation and supports comparison during follow-up.
Clinicians may use this assessment when evaluating suspected fractures, degenerative changes, deformity, infection, tumors, or bone loss. The resulting anatomical information can support diagnosis and treatment planning, while repeated examinations may help with follow-up. Its value lies in connecting structural findings at L3 with the broader condition of the lumbar spine.
Because L3 is a defined lumbar landmark, its anatomy can provide reference information for lumbar procedures and quantitative investigations. Researchers can analyze its shape, alignment, and bone characteristics when studying spinal health, while clinicians can use the same anatomical context to support procedural orientation and interpretation of surrounding spinal tissues.