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.
fortnight (n.). period of two weeks, 17c. contraction of Middle English fourteniht, from Old English feowertyne niht, literally fourteen nights, preserving the ancient Germanic custom of reckoning by nights (mentioned by Tacitus in Germania xi). Related: Fortnightly.