A temporary decrease in blood supply to part of your brain causes TIAs, which often last less than five minutes. Like an ischemic stroke, a TIA occurs when a clot or debris blocks blood flow to part of your brain. A TIA doesn't leave lasting symptoms because the blockage is temporary.
Full Definition of FORTNIGHT. : a period of 14 days: two weeks.ull Definition of FORTNIGHT. : a period of 14 days: two weeks.
A fortnight is a unit of time equal to 14 days (2 weeks). The word derives from the Old English: fÄowertyne niht, meaning fourteen nights. Some wages and salaries are paid on a fortnightly basis; however in North America it is far more common to use the term biweekly.