LIPS database is a microscopic image database to promote a comprehensive understanding of intracellar structures in guard cells of plant stomata. This database contains three dimensional images of fluorescently-labeled various intracellular structures in Arabidopsis guard cells during stomatal movement. The images in the LIPS database are free only to non-profit institutions, universities, and colleges. Please be aware that any disclaimer, copying or use of the contents of our database by a commercial entity is prohibited.