Vertebral column

anatomy lecture on vertebral column
expalians all the differences between vertbrae

1. VertebralColumn
With Hasib SAMADI

2. Concepts Of Vertebral Column
Segmentation
•Cervical segment-7Vertebrae
•Thoracic segment-12 Vertebrae
•Lumbar segment-5Vertebrae
•Sacral segment-5Vertebrae
•Coccygeal segment –4 (sometimes 3-5)
Vertebrae
•Total of 33 vertebrae

3. Concepts Of Vertebral Column
Curvature
Primary
•Thoracic
•Sacral
Secondary
•Cervical
•Lumbar

4. Typical Vertebra
Structural blueprint
Generally a vertebra is made up of
•7-processes
•A vertebral body
•2-Pedicals
•2-Laminae
Vertebral arch

5. Typical Vertebra
Structural blueprint

6. Segmental Vertebral Specifications
Cervical vertebrae-anterior view
General features
•Uncinate processes
•Transverse foramina
•Tubercles
•Anterior
•Posterior

7. Segmental Vertebral Specifications
Cervical vertebrae-posterior view
Features
•Vertebra prominens-C7
•Bifid spinous processes -C2--C6

8. Segmental Vertebral Specifications
Cervical Vertebra C1
Unique features
•No body
•Lateral Masses
•Arches
•Posterior
•Anterior
•Tubercles
•Posterior
•Anterior

9. Segmental Vertebral Specifications
Cervical vertebraC2(Axis)
Signature Feature
•Dense (odontoid process)
•odon-toid= tooth-like

10. Segmental Vertebral Specifications
Thoracic vertebra
SignatureFeatures
•Costal facets
•Body
•Transverse process

11. Segmental Vertebral Specifications
Lumbar vertebra
Signature Features
•Large vertebral bodies
•Triangular vertebral foramen
•Mammillary process
•Accessory process
•Short spinous process

12. Segmental Vertebral Specifications
Sacrum-posterior view
Features
•Superior articular process
•Median sacral crest
•Intermediate sacral crest
•Lateral sacral crest
•Sacral hiatus
•Posterior foramena
•Sacral canal

13. Segmental Vertebral Specifications
Sacrum-anterior view
Features
•Sacral promontory (base)
•Transverse lines
•Apex of the sacrum
•Ala
•Anterior foramen

14. Segmental Vertebral Specifications
Sacrum-lateral view
Features
•Articular surface
•Articulates with the ilium

15. Segmental Vertebral Specifications
coccygeal vertebrae
•4 fused vertebrae shown here
•Sometimes 3-5
•Cornua
•Apex of the coccyx
•Base of the coccyx

16. Comparison
cervical-thoracic-lumbar