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MR Cross Sectional Anatomy > Spine > Flashcards

Flashcards in Spine Deck (20)
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1

1. Rt occipital condyle

2. Lt vertebral A*

3. Cerebellar tonsils**

*Appears as streak as it heads fo rmidline in front of the medulla oblongata, to join the Rt vertebral and form the basilar A at the inferior and anterior to the pons.

** At the foramen magnum, entering the posterior fossa of the cranium.

2

4. Spinal cord

5. Cerebrospinal fluid in subarachnoid space

6. Superior articular process of C1 (Atlas)*

7. Anterior neural arch of C1 **

*near the atlantooccipital joint

**the tubercle of the anterior arch is where teh arrow is pointing, but not seen here.

3

1. Vertebral A

2. Odontoid process (dens)

3. Lt superior articular process of C1

 

4

1. Base of odontoid

2. Inferior articular process of C1*

* Just superior to atlantoaxial joint

5

1. Articular pillars*

2. Body of C3

3. C3-C4 intervertebral disc space

4. Interspinous ligament

* The stack of inferior and superior articulating processes, and the zygapophyseal joints they form

6

5. Odontoid (dens)

6. Body of C2

7. Anterior tubercle of C1

8. Posterior tubercle of C1

9. Cerebellar tonsils

10. Rt & Lt vertebral arteries

11. Basilar artery

12. Pons

13. Medulla Oblongata 

7

1. Rt & Lt Longus Colli

2. Cervical spinous processes

3. Lt cerebellar tonsils

4. Rt trapezius muscle

8

5. 4th ventricle

6. Thecal (dural) sac

7. Lt Pedicle of C4

8. Lateral mass of C5*

9. C4-C5 Lt zygapophyseal joint

10. Spinal cord

*Comprised of the inferior and superior articulating processes, and the zygapophyseal joints they form

9

1. Pedicles

2. Medulla Oblongata

3. C3-C4 interspace

4. Body of C2

5. Rt atlantoaxial joint

6. Rt lateral mass of C1

7. Lt Atlantooccipital joint

8. Odontoid process of C2 (dens)

9. Rt occipital condyle

10

5. Rt atlantoaxial joint

7. Lt atlantooccipital joint

8. Odontoid process of C2 (dens)

 

**10. Rt & Lt vertebral arteries**

11

1. Neck of T8 rib (81)

2. Costovertebral articulation (joint) of T8 Rt rib

3. T7-T8 intervertebral disc

4. Esophagus

5. Aorta

12

6.  Body of T8

7. Cerebrospinal fluid in the subarachoid space

8. Spinal cord

9. Head Lt rib

10. Tubercle of T8 Lt rib

11. Costotransverse articulation of T8 Lt rib*

*Although the transverse process is not seen, the tubercle articulates with the transverse costal facet on it.

13

1. Intervertebral foramen

2. Dorsal root ganglion

3. Descending aorta

14

4. Conus medullaris

5. Lumbar enlargement*

6. White matter

7. Gray matter

*Immediately above the conus, which is at L1-L2

15

1. Rt transverse process*

2. Cauda equina

3. Lt pedicle

4. Rt psoas major muscle

5. Rt & Lt common iliac A

6. Rt & Lt common iliac V

* Not seen in its entirety

16

7. Rt Inferior articular process of L5

8. Rt zygapophyseal articulation of L5-S1

9. Rt Superior articular process of S1

10. Herniated disc impinging Lt nerve root

17

1. Spinous process

2. Lt lamina

3. Intervertebral foramen

4. Dorsal root (spinal) ganglion

18

5. Ligamentum flavum

6. Posterior longitudinal ligament

7. Inferior vena cava

8. Aorta

9. Erector spinae muscles

19

1. Spinous process

2. Nuclear pulposus

3. Anulus fibrosus

4. Interspinous ligament

5. Herniated nuclear pulposus

6. Anterior longitudinal ligament

7. Posterior longitudinal ligament

20

8. Rt ilium

9. Dural sac

10. Filum terminale in sacral canal

11. Sacrum

12. Lt sacroiliac joint