Bloodsupply Spinal chord

Question 1

Which vessels supply the Spinal cord

Answer 1

Arteries:

1. A. Spinalis Ventralis
2. A. Spinalis Dorsalis

Veins: NO VALVES
PLEXUS vertebralis externus dorsalis/Ventralis
PLEXUS vertebralis internus Ventralis

1. V. intervertebralis
2. Vv spinales
3. Vv. Basivertebrae
   V. Vertebralis, V. Cava cran et caud, v.Azygos
   Venous aessentic plexus

Question 2

Arteries supplying the spinat cord

Answer 2

1. A.spinalis Ventralis
   - Supply: Grey matter & white substance
   - Unpaired
   - largest
   - Allong fissura med Ventralis
2. A. Spinalis Dorsalis
   Ex A.vertebralis
   A. Intercostalis thoracica (thorx)
   A. Intecostalis Lumbalis (Lumbar region)

• Paired
• Small
• Reuns close to DORSAL roots!

Question 3

Veins of the Spinal cord

Answer 3

No valves!

1. V.intervertebralis —> Through
   For. Intervertebrae
2. Vv. Spinalis - Allong Medulla Spinalis
3. Vv. Basivertebrae —> Perforates corpus vertebrae
4. vV. Vertebralis, VENA cava Cranialis et caudalis, v. Azygos + VENOUS aessentic plexus —> Around for.intervertebrae
   = Prevents Nerves from injuries