👉 Veinal is a medical term that refers to a collection of fluid-filled spaces found in the lower abdomen, including the perineum and some parts of the rectum. It's also known as an "abdominal cavity" or "abdominal space." Veins are blood vessels that carry blood away from the heart, back to the lungs, and then back to the heart again through veins. They branch out from the heart into smaller vessels called arterioles, which carry oxygenated
