👉 Venenation is a medical term used to describe the process by which blood vessels are formed in the body. It occurs when the blood vessels of the brain and spinal cord become blocked or narrowed due to various causes, such as stroke, surgery, or certain diseases like Parkinson's disease. In this condition, the blood vessels may be compressed, causing them to narrow or even stop functioning altogether. The venenation is a complex process that involves several organs and systems in the body, including the brain