👉 Retrodural is a medical term that refers to the process of inserting a small tube called an endolymphatic sac into the brain, which allows for communication between the brain and the spinal cord. This allows for more efficient and effective communication between the brain and other parts of the body. The retrodural technique has been used in various medical procedures such as spinal surgery or neurosurgery to help patients communicate with their bodies better. It is often performed during surgeries where there may be issues