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.
Mount Vernon, Washington. Mount Vernon is a city in Skagit County, Washington. The population was 27,060 as of 2003. It is the county seat of Skagit County. Mount Vernon is known for its annual Tulip Festival. The climate of Skagit County is similar to that of Holland, and many tulip bulbs are shipped to Holland and sold from there as Holland tulips.