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.
Gulf of Mexico is an ocean basin in North America. It has to its  Northeast, North and Northwest the coastal area of USA and to its  Southwest and South it has Mexico. To it â¦ s Southeast is Cuba.  American states of Texas, Mississippi Louisiana, Florida and  Alabama border the gulf.he Gulf of Mexico is that body of water contained by Florida, Alabama, Mississipi, Louisiana, Texas, Mexico and part of Cuba.