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.
<br /><br /> Thus a fortnight is 2 weeks or 14 consecutive days.Two weeks equals to 14 days. Derives from old english means fourteen night.