Intestinal ischemic syndrome: A blockage while in the blood vessels resulting in your gastrointestinal process. This really is what takes place with varicose veins. They could bulge like purple ropes less than the skin. They might also look like little pink or purple bursts in your knees, calves, or thighs. https://www.sgvascularctr.com/exploring-vascular-malformations-informative-guide-for-singaporeans/