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.
Roz (voiced by Bob Peterson) is a slug-like monster who is the key master and administrator of Scare Floor F. Near the end of the film, she is revealed to be Number One of the Child Detection Agency (CDA), having been on an undercover assignment to investigate the company.