Bones - Cx and Lx Flashcards
1
Q
Atlas (Atypical)
A
- Body: Absent
- Lat masses
- Sup facet concave, kidney-shaped
- Inf facet convex - Ant arch: Anterior tubercle, facet for dens
- Post arch: Posterior tubercle, groove for vertebral artery
- Vt foramen: Large, triangular
- SP: Absent
- TPs: Transverse foramen, anterior and posterior tubercles
- APs: Absent
2
Q
Axis (Atypical)
A
- Body: Odontoid process (dens)
- Vt arch
- Vt foramen: Large, triangular
- SP: Short, bifid
- TPs: Transverse foramen, anterior and posterior tubercles
- Sup AP: Superior
- Inf AP: Inferoanterior
3
Q
C3-C6 (Typical)
A
- Body: Small and oval, uncinate process
- Vt arch
- Vt foramen: Large, triangular
- SP: Short, bifid
- TPs: Transverse foramen, anterior and posterior tubercles
- Sup AP: Superoposterior
- Inf AP: Inferoanterior
4
Q
C7 (Atypical)
A
- Body: Larger
- Vt arch
- Vt foramen: Large, triangular
- SP: Short, not bifid
- TPs: Smaller transverse foramen, anterior and posterior tubercles
- Sup AP: Superoposterior
- Inf AP: Inferoanterior
5
Q
L1 (Atypical)
A
- Body: Heart-shaped
- Vt arch: Thick pedicles and lamina
- Vt foramen: Oval-shaped
- SP: Short, broad, thick, hatchet-shaped
- TPs: Shorter than typical
- Sup AP: Concave, medial and posterior, mammillary process
- Inf AP: Convex, lateral and anterior, facets vertical (almost sagittal plane)
6
Q
L2-L4 (Typical)
A
- Body: Large, kidney-shaped
- Vt arch: Thick pedicles and lamina
- Vt foramen: Large and triangular
- SP: Short, broad, thick, hatchet-shaped
- TPs: Long, slender, project laterally, accessory process
- Sup AP: Concave, medial and posterior, mammillary process
- Inf AP: Convex, lateral and anterior, facets vertical (almost sagittal plane)
7
Q
L5 (Atypical)
A
- Body: Large, kidney-shaped
- Vt arch: Thick pedicles and lamina
- Vt foramen: Large and triangular
- SP: Short, broad, thick, hatchet-shaped
- TPs: Unite with vertebral body and pedicle
- Sup AP: Concave, medial and posterior, mammillary process
- Inf AP: Flat or convex, anterior facing (coronal plane)
