Vertebral Column Flashcards
What are the two layers of intrinsic muscles of the back?
- Superficial: Erector Spinae
- Deep: Transversospinalis
What is the nervous supply to the Erector spinae?
Segmental dorsal rami
What is abnormal curvature of the thoracic spinal column called?
-Excessive kyphosis
What is abnormal curvature of the lumbar spine called?
-excessive lordosis
List in order the layers of vertebral ligaments that must be pierced during introduction of epidural anesthetics:
- Supraspinous ligament
- Interspinous ligament
- Ligamentum Flavum
What cord segments send sympathetic axons to the sympathetic chain?
T1-L2
What is the process on C2 that sticks up into C1?
The Dens
What does C1 lack?
a vertebral body
What are the holes in cervical vertebrae for the vertebral artery?
Foramen Transversarium
What is the ring of fibrocartilage called in the intervertebral disc?
Annulus fibrosis
What are the two types of disc herniation?
- Posterior herniation
- posterior-lateral herniation
At what vertebral level does the spinal cord end?
L1/L2
What is the end of the spinal cord called?
Conus medullaris
What is the extension of pia at the end of the spinal cord called?
Filum terminale
What is the hole at the end of the sacrum called?
sacral hiatus
