Deathwatch beetle. The deathwatch beetle, Xestobium rufovillosum, is a woodboring beetle. The adult beetle is 7 millimetres (0.28 in) long, while the xylophagous larvae are up to 11 mm (0.43 in) long.
Noun. 1. stent-a slender tube inserted inside a tubular body part (as a blood vessel) to provide support during and after surgical anastomosis. tube, tubing-conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases. Translations.
A stent is a small plastic or metal tube, which is pushed through the endoscope and into a narrowed area in the bile duct or pancreatic duct and left in place after the ERCP. Stenting can relieve aundice and sometimes pain, by allowing the bile to drain freely into the intestine.