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....
Tritium is an unstable gas, with a half-life of 12.3. years, meaning that a quantity of pure tritium will, after that time, be. composed half of tritium and half of 3He. Called heliumthree, 3He is a form of. that second-lightest of elements whose nucleus lacks an extra neutron, and.