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.
Stents are used to open blocked or narrowed arteries or veins. Stents may be used to help prevent coronary arteries from becoming narrowed or blocked repeatedly. A self-expanding stent used during chemotherapy ay be made of metal. Wire mesh metal stents are often used for an angioplastic procedure.