Some conditions can cause the absence of OAE's. These include: cysts, external otitis (swimmer's ear for example), stenosis, or abnormal middle ear pressure, a perforated ear drum, otosclerosis, cholesteatoma.
The Gulf of Mexico (Spanish: Golfo de MÃ©xico) is an ocean basin largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of the United States, on the southwest and south by Mexico, and on the southeast by Cuba.
The Permian Basin is one of the largest structural basins in North America. It encompasses a surface area. in excess of 86,000 sq mi and includes all or parts of 52 counties located in West Texas and southeast New. Mexico. Structurally, the Permian Basin is bounded on the south by the Marathon-Ouachita Fold Belt, on.