31. Three axial varices are present along its body whorl, and they are ornamented by characteristic expanded hollow spines. 32. The periostracum is hairy, rather short over most of the surface, with longer bristles over the varices . 33. This spares the portal venous system from high pressure which can cause esophageal varices , caput medusae, and hemorrhoids. 34. However, non-selective ?-blockers do not prevent the " formation " of esophageal varices . 35. The other whorls contain three rounded, webbed varices with short, open spines and high ribs between the varices. 36. The other whorls contain three rounded, webbed varices with short, open spines and high ribs between the varices . 37. Insertion of a transjugular intrahepatic portosystemic shunt ( TIPS ) has been shown to alleviate varices caused by portal hypertension. 38. He also developed a cautery process for varices and a catheterization procedure for applying silver nitrate into the nasal canal. 39. Veins around the anus are particularly susceptible to the formation of bulges, and these bulges are called varices or hemorrhoids. 40. Bleeding risk of esophageal varices can be ascertained at the time of endoscopy by evaluating for the presence of these markers.
