Paul Saladino· MD
interestingly endothelium this this type of histology occurs many places in the human body it occurs within your gut as well there's a single cell layer of endothelium in the small intestine and so the pathologies are very similar and there's a single cell layer of endothelium at the blood brain barrier between the dura and the blood and the CSF and so this single cell layer occurs throughout the body but right now we're talking about it within an artery