The combination of unique texture and sweet, tart flavor has made grapes an ever popular between-meal snack as well as a refreshing addition to both fruit and vegetable salads. Grapes are small round or oval berries that feature semi-translucent flesh encased by a smooth skin.
A venogram is a test that lets your healthcare provider see the veins in your body, especially in your legs. A special dye is injected that can be seen on an X-ray. The dye lets your healthcare provider see your veins and how healthy they are. A venogram is used to diagnose deep vein thrombosis (DVT) or other abnormalities of your veins.
1 Aid in the placement of a needle or catheter into a vein. A venous ultrasound can help locate the exact site of the vein and avoid complications such as bleeding.  Map out the veins in the leg or arm so that pieces of vein may be removed and used to bypass a narrowed or blocked blood vessel.