Interleukin-3 is released by mast cells and helper T cells in response to an antigen and stimulates the growth of blood stem cells and lymphoid cells such as macrophages and mast cells. There are many other interleukins that are part of the immune system.
Freebase(0.00 / 0 votes)Rate this definition: Arroz. Arroz is an unincorporated community in Yolo County, California. It is located on the Southern Pacific Railroad 4 miles south of Madison, at an elevation of 161 feet.
Invention and research [edit]. BZ was invented by the Swiss pharmaceutical company Hoffman-LaRoche in 1951. The company was investigating anti-spasmodic agents, similar to tropine, for treating gastrointestinal ailments when the chemical was discovered.