Head and Neck
All are pain sensitive area of brain except (AIPG – 2009)
|B||Middle meningeal artery|
1. Choroid plexus (d) is not a pain producing structure. Much of the brain parenchyma, Ventricular ependyma, pial veins and choroid plexus are not pain-producing structures.
2. Few cranial structures are pain producing – The scalp, middle meningeal artery (b), dural sinuses (a), falx cerebri (c) and proximal segments of large pial arteries.
3. The key structures involved in primary headache are few and the large intracranial vessels and duramater innervated by the trigeminal nerve