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 culture developed in the centuries before 1200BC (BCE), and declined around 400BC. We know far less about the Olmecs than we do about, for example, the Aztecs and Mayans. There are very few written records to tell us about the culture.In fact, at first Olmec artifacts were thought to be Mayan, and the Mayans were thought to be the first great culture in the area.The generally accepted belief is that the culture arose from people in the area, although some have suggested that the Olmecs may have originally come from Africa.he Olmec culture developed in the centuries before 1200BC (BCE), and declined around 400BC. We know far less about the Olmecs than we do about, for example, the Aztecs and Mayans. There are very few written records to tell us about the culture.