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.
A stent is a tiny tube that is inserted into a blocked passageway. The stent keeps the passageway open. This allows the flow of blood or other fluids (depending on the particular situation) to resume. Stents are made of either metal or plastic.