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.
Vascular tissue, which carries blood, is essential and forms as a part of granulation tissue with the purpose of carrying a sufficient supply of blood to the newly forming tissue. With these and other components, tissue granulation helps protect and rebuild broken skin.