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.
In medicine, a stent is a tube or other device placed in the body to create a passage between two hollow spaces, and stenting is the placement of a stent.
Over the past few decades, stents have revolutionized the treatment of coronary artery disease. Stents are metal wire-mesh struts that are positioned into an artery to âprop openâ the artery after an angioplasty. Virtually all angioplasty procedures today include the insertion of a stent.