👉 Hyalography is a medical imaging technique that uses X-rays to visualize blood vessels in the body. It involves placing a thin, flexible tube called a catheter into the bloodstream and using special equipment to observe the flow of blood through the vessel. The images produced from this procedure are typically captured on film or a computer monitor, which can be used to create detailed 3D maps of the blood vessels and their relationship to other parts of the body. Hyalography is often used in conjunction with