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. A stent is a tube that is put into the bowel and it expands to keep the bowel open. If you are not able to have a big operation your surgeon may be able to put in a stent to relieve the symptoms caused by the obstruction.