Costochondritis: A Painful Problem. The chest pain associated with fibromyalgia is referred to as costochondritis. It is an inflammation of the cartilage that joins the ribs to the chest bone.It is this inflammation that causes the sharp chest pains inside the chest wall.ostochondritis: A Painful Problem. The chest pain associated with fibromyalgia is referred to as costochondritis. It is an inflammation of the cartilage that joins the ribs to the chest bone.
Rolando's fissure (fissure of Rolando) a groove running obliquely across the superolateral surface of a cerebral hemisphere, separating the frontal lobe from the parietal lobe. Called also central fissure and central sulcus.
*Gyrus(gyri)-is a ridge on the cerebral cortex. Folds on the brain material. Many ridges called convolutions, or gyri, or gyrus, separated by grooves, mark the cerebrum's surface. *Sulcus(sulci)-shallow grooves on the brain. Generally, a shallow to somewhat deep groove is called a sulcus, or sulci, and a very deep groove is called a fissure.