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.
David L. ThornMarch 28, 2003A.1. The Olmec civilization was the most prevalent group in Mesoamerica during the time period of 1200 BC to 400 BC. The chronology for the Olmec civilization for many researchers is still controversial, and this is largely due to problems relating to the dating of artifacts.hough the Olmec were a major influence in the area, the archaeological evidence indicates that the Maya lowlands evolved on their own path, with only a small degree of influence from the Olmec. The path of evolution for the Maya is very similar to the evolutionary path followed by the Olmec civilization.