Spinal anatomy Flashcards
Which level does vertebral artery enter spinal column?
C6
C1 vertebrae
No body
C2 vertebrae
Double body (odontoid peg)
C7 vertebrae
Absence of bifid spine
Primary cartilaginous joints
Syndrocondrosis
Connected by hyaline cartilage
No movement
Epiphyseal cartilage
Secondary cartilaginous joints
Symphysis
White fibrocartilage
Limited movement
Spinal stenosis
Ligamentum flavus hypertrophy
Disc herniation
Defect in annulus fibrosis (notochord) leading to herniation of nucleus pulposus (mesoderm)
Pops in LP
- supraspinous ligament
- ligamentum flavum
- dura
Spinal cord end levels
L1-2 adults
L3 in children
Adults are superior to children
End of subarachnoid space
S2
Subarachnoid Space = 2Ss
Level for epidural
L3-L4
Epi has 3 letters
Level for lumbar puncture
L4-5
L2-L4 reflex
Patellar
S1 reflex
Achilles
S2-S4 reflex
Anocutaneous
Syringomyelia
Cystic degeneration, expansion and compression
Cape-like distribution
Loss of pain and temperature in upper extremities
Preservation of light touch and proprioception
Central cord syndrome
Hyperextension
Lower limbs recover first
Anterior cord syndrome
Aneurysm repair
Loss of motor function below lesion
Loss of pain and temp below lesion
Preservation of position and vibration
Brown-Sequard Syndrome
Contralateral loss of pain and temp
Ipsilateral loss of light touch, vibration and proprioception