An ultrasound scan, also referred to as a sonogram, diagnostic sonography, and ultrasonography, is a device that uses high frequency sound waves to create an image of some part of the inside of the body, such as the stomach, liver, heart, tendons, muscles, joints and blood vessels.
Name. The name Olmec means rubber people in the Aztec 's language: Nahuatl. It was the Aztec name for the people who lived in this area at the much later time of Aztec dominance. Ancient Mesoamericans, spanning from ancient Olmecs to Aztecs, extracted latex from Castilla elastica, a type of rubber tree in the area.t was the Aztec name for the people who lived in this area at the much later time of Aztec dominance. Ancient Mesoamericans, spanning from ancient Olmecs to Aztecs, extracted latex from Castilla elastica, a type of rubber tree in the area.
The Dawn of the Olmec. One of the accomplishments of Olmec culture was the use of trade to enrich their society. Around 1200 B.C., the great Olmec city of San Lorenzo (its original name is unknown) began creating long-distance trade networks with other parts of Mesoamerica. 1  The Olmec were skilled artisans, whose pottery, celts, statues, and figurines proved popular for commerce.