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.
Written By: Gulf of California, also called Sea of Cortez, Spanish Golfo de California, or Mar de CortÃ©s, large inlet of the eastern Pacific Ocean along the northwestern coast of Mexico. It is enclosed by the Mexican mainland to the east and by the mountainous peninsula of Baja California to the west.