A contusion occurs when a strong blow or repeated blows from an object struck the body, crushing the underlying muscle fibres and connective tissues without breaking the skin.
A contusion can vary in severity depending on the object and location of the injury. For example a contusion to the brain may cause a concussion that can cause serious symptoms that require immediate medical attention
THIS TYPE OF RELATIONSHIP IS CALLED "COMMENSALISM"
Growth Hormone deficiency is a medical condition wherein the pituitary gland is not able to produce enough growth hormones also known as somatropins. This can be acquired either in childhood or adulthood. This condition is called hypopituitarism. Hope this is the answer that you are looking for.
General George S. Patton was the best known U.S Army General. He led successful campaigns in North Africa, Sicily, France, and Germany.
