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.
The brain can be divided down the middle lengthwise into two halves called the cerebral hemispheres. Each cerebral hemisphere is divided into four lobes by sulci and gyri. The sulci (or fissures) are the grooves and the gyri are the bumps that can be seen on the surface of the brain.