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.
The name Olmec comes from the Nahuatl word for the Olmecs: ÅlmÄcatl [oËlËmeËkatÍ¡É¬] (singular) or ÅlmÄcah [oËlËmeËkaÊ] (plural). This word is composed of the two words Ålli [ËoËlËi] , meaning rubber, and mÄcatl [ËmeËkatÍ¡É¬] , meaning people, so the word means rubber people.hey lived in the tropical lowlands of south-central Mexico, in the present-day states of Veracruz and Tabasco. It has been speculated that Olmec derive in part from neighboring Mokaya and/or MixeâZoque.
The Olmec: The Olmec were the first great Mesoamerican civilization. They thrived along Mexicoâs gulf coast, mainly in the present-day states of Veracruz and Tabasco, from about 1200 to 400 B.C., although there were pre-Olmec societies before that and post-Olmec (or Epi-Olmec) societies afterwards.wo major Olmec cities are known to researchers: San Lorenzo and La Venta. These are not the names the Olmec knew them by: their original names have been lost to time. San Lorenzo thrived from approximately 1200-900 B.C. and it was the greatest city in Mesoamerica at the time.