Final answer:
Encephalocele is the term used to describe the herniation of the brain through an opening in the skull.
Step-by-step explanation:
Herniation of the brain through an opening in the skull is called encephalocele. It is a condition where there is protrusion of brain tissue through a skull defect. Encephalocele can occur in different parts of the skull, such as the back of the head or the middle of the skull. It is often associated with a defect in the development of the skull and brain during fetal development.