Vascular abnormalities contribute to many diseases such as cancer and diabetic retinopathy. In angiogenesis new blood vessels. headed by a migrating tip cell. sprout from pre-existing vessels in response to signals. https://www.roneverhart.com/ASUS-R565EA-UH51T-15-6-FHD-1920x1080-Touch-Laptop-Intel-Core-i5-1135G7-2-4GHz-8GB-RAM-256GB-SSD-Windows-10/