Histo-Tips: When trying to differentiate between veins and arteries, look for clearly defined layers (usually arteries) or the size of the lumen (usually collapsed in veins).
This is all good except your P label. The pia mater is a membrane that wraps around the entire spinal cord, and since you cannot see the outer edges of the spinal cord in your image, I don't believe you can see any pia mater. So if you remove that label, you're all set.
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This is all good except your
This is all good except your P label. The pia mater is a membrane that wraps around the entire spinal cord, and since you cannot see the outer edges of the spinal cord in your image, I don't believe you can see any pia mater. So if you remove that label, you're all set.