The dorsal nasal artery runs along the nose and is the terminal branch of the ophthalmic artery, which is a terminal branch of the ICA . Many smaller branches and communications also exist.
2.
This means that there is no way that the nasal arteries give special access through the blood-brain barrier, except in the sense that a drug " might " reach some parts of the brain faster by the connection described above, though I'm not sure . talk ) 20 : 07, 7 April 2011 ( UTC)
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