Iliotibial Band Syndrome. Iliotibial band syndrome (ITBS) occurs when there is irritation to this band of fibrous tissue. The irritation usually occurs at the prominence of the outside of the knee joint, the lateral condyle which is located at the end of the femur (thigh) bone.
biennium definition: The definition of a biennium is a period of two years. (noun) Your two-year cell phone contract is an example of a biennium....
Freebase (0.00 / 0 votes) Rate this definition: Polonium Polonium is a chemical element with the symbol Po and atomic number 84, discovered in 1898 by Maria SkÅodowska-Curie and Pierre Curie. A rare and highly radioactive element with no stable isotopes, polonium is chemically similar to bismuth and tellurium, and it occurs in uranium ores.