Magnetite is a mineral and one of the main iron ores. With the chemical formula Fe3O4, it is one of the oxides of iron. Magnetite is ferrimagnetic; it is attracted to a magnet and can be magnetized to become a permanent magnet itself. It is the most magnetic of all the naturally-occurring minerals on Earth.
The differential diagnosis of testicular pain is broad and involves conditions from benign to life-threatening. The most common causes of pain in children presenting to the emergency room are testicular torsion (16%), torsion of a testicular appendage (46%), and epididymitis (35%).
In men and boys, the testicles hang outside the body in a pouch of skin called the scrotum. Because of their location, many types of accidents can cause testicular injuries. Blunt trauma (a strike) causes about 75% of testicular injuries.hat's because testicles are made of different types of tissue. The scrotum also contains other structures that are attached to the testicles. Testicular injuries include: Rupture. An injury can tear the tough, protective covering surrounding the testicle and damage the testicle.