However, cell signaling may also occur between the cells of two different organisms. In many mammals, early embryo cells exchange signals with cells of the uterus. In the human gastrointestinal tract, bacteria exchange signals with each other and with human epithelial and immune system cells.
Mount Vernon is a city in and the county seat of Posey County, Indiana, United States, in the state's far southwestern corner. The population was 6,687 at the 2010 census. It is located in Black Township and is part of the Evansville, Indiana, metropolitan area, which had a 2000 population of 342,815.
Mt. Vernon was founded in 1817 by Zadok Casey, who was elected to the State Senate in 1822 and was elected Lieutenant Governor in 1833. He served in the U.S. Congress between 1833 and 1843. The town was named for George Washington's plantation, Mount Vernon, which was named for Edward Vernon, a British naval hero.