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.
Two of the most famous gulf landforms in the world are the Gulf of Mexico and the Persian Gulf. The Gulf of Mexico has water from the Atlantic Ocean and the Caribbean Sea going around Florida into some of the Southern United States and Mexico.The Gulf of Mexico is also the largest gulf in the world.The Persian Gulf is also another popular type of gulf.It is located between the Middle Eastern countries of Iran, Kuwait, United Arab Emirates, Qatar and Saudi Arabia. It receives most of its water from the Indian Ocean.he Gulf of Mexico is also the largest gulf in the world. The Persian Gulf is also another popular type of gulf. It is located between the Middle Eastern countries of Iran, Kuwait, United Arab Emirates, Qatar and Saudi Arabia. It receives most of its water from the Indian Ocean.