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# Vertebra Cervical Thoracic Lumbar Sacrum Coccyx
33 7cervical 12thoracic 5lumbar 5sacrum 4coccyx
Primary curvature
ConCave ventrally Thoracic and Sacral
Convex ventrally
secondary curvature Cervical and Lumbar
Contents of vertebral foramen
Spinal cord and spinal artery
Atypical vertebra
C1 ATLAS no spinous process and no body C2 AXIS with odontoid process or dens C7 long spinous process and not bifid
Vertebral passage of Vertebral artery
Transverse foramen
3 parts of Subclavian A as divided by Scalenous Anterior
1st Vertebral via C1 to 6 Thyrocervical Internal thoracic 2nd costocervical 3rd
Cervical vertebrae char
C3 to C6 short with bifid spinous process
Thoracic vertebrae char
1Long spinous process 2Facet of body to head of rib 3facet of transverse process to tubercle
Thoracic vertebrae absent facet at
T11 T12
C3 C4
1Hyoid bone 2Bifurcation of Common carotid A
C5
1Thyroid cartilage 2 carotid pulse palpated
C6
1Cricoid cartilage 2start of TRACHEA and ESOPHAGUS
T2
1Sternal notch 2Arch of aorta
T4
1Sternal Angle 2JXN sup and in mediastinum 3Bifurcation of trachea
Hyoid bone
C3 C4
Bifurcation of Common carotid A
C3 C4
Thyroid cartilage
C5
carotid pulse palpated
C5
Cricoid cartilage
C6
start of TRACHEA and ESOPHAGUS
C6
Bifurcation of trachea
T4
Arch of Aorta
T2