👉 Arterio-coccygeal is a medical term used to describe the condition of a person's blood vessels that are located in the area around the anus and the urethra. This condition can cause pain, swelling, and sometimes bleeding when passing urine or having sex. The exact cause of arteriococcygeal is not fully understood, but it is thought to be related to an abnormal development of blood vessels near the prostate gland.