Since the tentorium is a hard structure, if there is a volume expansion in the parenchyma above the tentorium, the brain can get pushed down partly through the tentorium. This is called herniation and will often give mydriasis on the affected side, due to pressure on cranial nerve III (N.
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Social Security: The Deadline to Apply for Medicare Part B is SaturdayBy MICHAEL W. GROCHOWSKI. TheLedger.comMarch 29, 2012 12:59 AM. <p>If you didn't sign up for Medicare Part B medical insurance when you first became eligible for Medicare, you now have an opportunity to apply â but time is running out.