Definitions for "Periplasm"
a layer of protoplasm surrounding the oosphere in some Oomycota.
The space between the bacterial cell membrane and the cell wall. Recombinant proteins secreted into the periplasmic space are readily released.
Region between inner membrane (IM) and outer membrane (OM) (Lecture: The Bacterial Cell: Structure, Function, Growth, and Gene Regulation I, 1/24/02)