1 The meniscus is a rubbery C-shaped disc that cushions your knee and acts as a shock-absorber. 2  It also helps spread weight evenly so your bones donât rub together. 3  Tears to the meniscus are often caused by sudden twisting or other things you might do while playing sports.
Ayatollah Khomeini died in 1989 just months after firing his heir apparent, leaving no designated replacement. With the help of Rafsanjani, Khamenei emerged as the default choice to become the new supreme leader.
Ayatollah Khomeini was a senior Islamic jurist cleric of Shia (Twelvers) Islam. Shia theology holds that Wilayah or Islamic leadership belongs to divinely-appointed line of Shia Imams descended from the Prophet Muhammad, the last of which is the 12th Imam, Muhammad al-Mahdi.