Definition: Somatopleural is a medical term that refers to the inner lining of the brain and spinal cord, which provides support and protection for the nervous system. It acts as a barrier between the brain and spinal fluid, protecting the brain from damage caused by pressure or movement. The somatopleural lining also helps regulate body temperature and maintain homeostasis within the brain and spinal cord. Somatopleural injuries can occur due to falls, trauma, or other causes, and treatment often involves surgery