Table Conference I prep-random

Question 1

Spinal Cord Blood flow

Answer 1

Radially arranged posterior and anterior radicular arteries run into the spinal cord alongside dorsal and ventral nerve roots. Most do not connect with longitudinal arteries. These intercostal and lumbar radicular arteries arise from the aorta, provide major anastomoses, supplement blood flow to spinal cord.

Largest anterior radicular artery is the artery of Adamkiewicz, appears around L1&2 but can be anywhere from T9-L5.

Question 2

6) What major vein is found in the deltopectoral triangle? Where does this vein drain into?

Answer 2

The major vein found in the deltopectoral triangle is the cephalic vein, and it drains into the axillary vein.

Question 3

What comprises the cauda equina, where does it run?

Answer 3

The cauda equina comprises of the lower lumbar and sacral nerve roots of the spinal cord, but the cell bodies reside at a higher vertebral level. The cauda equina runs WITHIN the subarachnoid space between the dura and the pia.