Spinal Cord Cross-Sections

 

Links
Spinal Cord-1
Spinal Cord-2
Spinal Cord-3

 

Spinal Cord Slide #1 Sacral Level

1- Posterior Funiculus

2- Spinal Rootlets/Cauda Equina

3- Dorsal Horn

4- Ventral Horn

5- Anterior Funiculus

Sample slide questions:

1) What level of the spinal cord is this?

2) Why is the posterior funiculus so small?

 

Spinal Cord Slide #2 Sacral Level

1- Dorsal Horn

2- Spinal Rootlets/Cauda Equina

3- Ventral Horn

Sample slide questions:

1) What kind of information is carried in the spinal rootlets?

2) Why is the dorsal horn so relatively large?

 

Spinal Cord Slide #3 Lumbar Level

1- Posterior Funiculus

2- Dorsal Horn

3- Lateral Funiculus

4- Ventral Horn

5- Anterior Funiculus

Sample slide questions:

1) Where are the cell bodies that give rise to the posterior funiculus fibers?

2) What tracts are found in the lateral funiculus?

 

Spinal Cord Slide #4 Lumbar Level

1- Gracile Fasciculus

2- Gracile Fasciculus

3- Dorsal Horn

4- Corticospinal Tract (lateral)

5- Ventral Horn

6- Corticospinal Tract (anterior)

Sample slide questions:

1) Why is the ventral horn so large?

2) Are fibers in the lateral corticospinal from the ipsilateral or the contralateral hemisphere?

 

Spinal Cord Slide #5 Thoracic Level

1- Posterior Funiculus

2- Dorsal Horn

3- Corticospinal Tract (lateral)

4- Ventral Horn

5- Corticospinal Tract (anterior)

6- Lateral Horn

Sample slide questions:

1) What level of the spinal cord is this?

2) What is the function of the cells in the lateral horn?

 

Spinal Cord Slide #6 Thoracic Level

1- Posterior Funiculus

2- Dorsal Horn

3- Corticospinal Tract (lateral)

4- Ventral Horn

5- Corticospinal Tract (anterior)

6- Lateral Horn

Sample slide questions:

1) Where will the fibers in the dorsal column terminate?

2) Where will the fibers in the lateral corticospinal tract terminate?

 

Spinal Cord Slide #7 Thoracic Level

1- Posterior Funiculus

2- Lateral Funiculus

3- Anterior Funiculus

4- Ventral Horn

5- Lateral Horn

6- Dorsal Horn

Sample slide questions:

1) Where will the fibers in anterior corticospinal tract terminate?

2) If you damage the lateral funiculus, what tracts will be affected?

 

Spinal Cord Slide #8 Thoracic Level (Upper)

1- Gracile Fasciculus

2- Cuneate Fasciculus

3- Corticospinal Tract (lateral)

4- Corticospinal Tract (anterior)

5- Ventral Horn

6- Lateral Horn

7- Dorsal Horn

 

Spinal Cord Slide #9 Thoracic Level (Upper)

1- Gracile Fasciculus

2- Cuneate Fasciculus

3- Dorsal Horn

4- Corticospinal Tract (lateral)

5- Ventral Horn

6- Corticospinal Tract (anterior)

7- Lateral Horn

Sample slide questions:

1) Where will the fibers in the gracile fasciculus terminate?

2) Where are the nerve cell bodies that give rise to cuneate fasciculus?

 

Spinal Cord Slide #10 Cervical Level

1- Posterior Funiculus

2- Dorsal Horn

3- Lateral Funiculus

4- Ventral Horn

5- Anterior Funiculus

Sample slide questions:

1) What kind of information is carried in the anterior funiculus?

2) Where is the posterior horn so large?

Spinal Cord Slide #11 Cervical Level

1- Dorsal Horn

2- Corticospinal Tract (lateral)

3- Ventral Horn

4- Corticospinal Tract (anterior)

5- Cuneate Fasciculus

6- Gracile Fasciculus

Sample slide questions:

1) Where will the fibers in the cuneate fasciculus terminate?

2) Where are the nerve cell bodies that give rise to the lateral corticospinal tract?

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