Medical Definition of Cubital tunnel. Cubital tunnel: The opening between the two heads of a muscle through which the ulnar nerve passes at the elbow and enters the forearm. (The muscle is called the flexor carpi ulnaris.) Compression of the ulnar nerve in this passageway results in the cubital tunnel syndrome. Search MedTerms:
In order of size, the largest of the oceans is the Pacific Ocean, followed by the Atlantic Ocean, the Indian Ocean, the Southern Ocean and the Arctic Ocean. To give an idea of the range of size, the Pacific Ocean extends for 60 million square miles, while the Arctic Ocean is a mere 5.4 million sq miles. The deepest point in the world's oceans is the Mariana Trench in the Pacific Ocean off the coast of Japan. There is some disagreement as to its precise depth, but it is somewhere close to 36,000 feet, or 6.8 miles.
1. Pacific Ocean. The Pacific Ocean is by far the world's largest ocean at 60,060,700 square miles (155,557,000 sq km). According to the CIA World Factbook, it covers 28% of the Earth and is equal in size to nearly all of the land area on the Earth.ceans are a major component of the Earth's hydrosphere and cover 71% of the Earth's surface. Although the oceans of the Earth are all connected and are truly one World Ocean, most often the world is divided into five different oceans. The following is a list of the world's oceans, arranged by size.