A temporary file created with is deleted automatically when the program exits or the file is closed. To generate a temporary file name that will survive past the lifespan of the creating program, (POSIX) or GetTempFileName(...) (Windows) can be used.
Granulation tissue is new connective tissue and tiny blood vessels that form on the surfaces of a wound during the healing process. Granulation tissue typically grows from the base of a wound and is able to fill wounds of almost any size.
Granulation is the act or process of forming or crystallizing into grains.