1 Scientists believe this powerful predator could eat up to 500 pounds (230 kilograms) of meat in one bite. 2  Fossils of T. rex prey, including Triceratops and Edmontosaurus, suggest T. rex crushed and broke bones as it ate, and bone fragments have been found in its dung.
Etiology. Infection is the principal cause of tympanic membrane perforation (TMP). Acute infection of the middle ear may cause a relative ischemia in the drum concurrent with increased pressure in the middle ear space.This leads to a tear or rupture of the eardrum that is usually preceded by severe pain. If the perforation does not heal, it leaves a residual tympanic membrane perforation (TMP).nfection is the principal cause of tympanic membrane perforation (TMP). Acute infection of the middle ear may cause a relative ischemia in the drum concurrent with increased pressure in the middle ear space.
1 The presence of mud-like material that lines the galleries in an irregular pattern. 2  Termites may excavate the wood so that only a very thin layer of wood is left on the surface of the cavity and the outside. 3  Then this layer is broken; they will cover the holes with mud like material, used to make the tubes.he following list indicates common signs of a subterranean termite infestation. It is recommended that you have your house thoroughly inspected by a pest control professional trained to detect the sometimes subtle signs of termites. 1  The presence of mud-like material that lines the galleries in an irregular pattern.