Correct detailed verified answers latest
update 2025
What kind of technique will spinal surgeons fully transition to in the
next 10 year? --- correct precise answer ---minimally invasive
Disc Neurology --- correct precise answer ---- Sinuvertebral nerves
line the outer 1/3rd of the annulus.
- These nerves communicate with the surrounding nerve structures.
- Neurotransmitters are released when there is pressure/damage to
the disc.
Craniocervical Junction --- correct precise answer ---- Base of the
skull = Occiput
- Attached to C1 with ligaments
- Thickest point
- External Occipital Protuberance (EOP) aka Inion approx 12-15mm
thick
uses usually 8-10mm screws, not longer bc of the cerebellum
,Upper Cervical --- correct precise answer ---- Occiput, C1, C2
- Occiput sits on top of the atlas
- C1 = Atlas, which is a RING, and has NO vertebral body
- C2 = Axis, right below the Atlas, acts as the pivot point for neck
rotation, has the DENS (bony tooth looking) that connects with the
Atlas.
Atlantoaxial Joint/Complex --- correct precise answer ---- C1 - Atlas,
ring of bone, lateral masses, superior - articulates with the occiput,
inferior - articulates with C2.
- C2 - Axis, Pivoting point = Dens, aka Odontoid Process, tooth-like
projection, allows for rotation of head about the neck.
aka Cruciform Complex
Which ligament is the most important structure for C1/C2 stability? ---
correct precise answer ---The transverse ligament, very important
around the odontoid process.
AA joint --- correct precise answer ---- Anterior Atlanto, axial motion
joint
- The joint that controls flexion/extension between the Atlas and Axis
- Anterior AA joint
, - Lateral view
C3 to C7 --- correct precise answer ---- Lower C Spine, Body, Spinal
Canal
- Facets start to transition into more of a transverse plane.
- Bifed Spinous Process - C3-C6
- Vertebra Prominens = C7 spinous process, most prominent to see,
the bottom of ligamentum Nuche attaches here.
- Lateral Mass
- Unicate Process
- Vertebral body's usually 10-12 mm
We use Lateral Mass screws instead of the pedicle screws here bc... ---
correct precise answer ---of the risk to danger zones of the transverse
foramen (which carries nerves to the brain) and vertebral foramen
(holds the spinal cord)
Transverse Foramen --- correct precise answer ---- only found in the
cervical vertebrae
- houses the vertebral artery, supplies the head with blood (enters at
C6 and exits at C1 straight into the brain)