Spinal Blood Supply
title: Spinal Anatomy tags: #FFICM notebook: ð-FFICM type: inprogress
[[mcqs-and-sbas-in-intensive-care-medicine-oxford-higher-special-training]]
| Flashcard | type:basic |
|---|---|
| How far down does the spinal cord go? | To L1/L2 |
| How far down does the dural sac go? | To S2 |
| What blood vessels supply the spinal cord? | Anterior Spinal Artery and Two Posterior Spinal Arteries |
| How many anterior spinal arteries are there? | One |
| How many posterior spinal arteries are there? | Two |
| What does the anterior spinal artery come from? | Vertebral Arteries |
| What do the posterior spinal arteries come from? | Cerebrellar Arteries |
| What blood vessels supply nerve roots coming off the spinal cord? | Radicular Branches |
| What's the name of the blood vessel that supplies most of the lower two thirds of the spinal cord? | Artery of Adamkiewicz (A radicular artery) |
| What is the Artery of Adamkiewicz? | A radicular artery that supplies a lot of the lower two thirds of the spinal cord |
| What blood vessel do you need to occlude to get ischaemia to the anterior central part of spinal cord? | The anterior spinal artery |
| If you occlude the anterior spinal artery where do you get ischaemia? | The anterior central part of spinal cord. |
| How many pairs of spinal roots are there? | 31 |
| How many pairs of cervical spinal roots are there? | 8 |
| How many pairs of thoracic spinal roots are there? | 12 |
| How many pairs of lumbar spinal roots are there? | 5 |
| How many pairs of sacral spinal roots are there? | 5 |
| How many pairs of coccygeal spinal roots are there? | 1 |
| Which part of the spinal cord does the anterior spinal artery supply? | The anterior 2/3s |
| Which part of the spinal cord do the posterior spinal arteries supply? | The posterior third (posterior columns) |