periplasm

[ per-uh-plaz-uhm ]

noun

1. an outer cytoplasmic layer that surrounds the oosphere in certain fungi.

Word History and Origins

Origin of periplasm¹

First recorded in 1885–90; peri- + -plasm

Example Sentences

By contrast, S. oneidensis and G. metallireducens are Gram-negative bacteria, which have two lipid membranes separated by a region called the periplasm that contains cell-wall material.

From Nature

In these bacteria, tens of haem molecules bound to three types of protein establish a path for electrons to move across the periplasm and the outer lipid membrane8.

From Nature

In all three papers it is proposed that N-glycan depolymerization occurs primarily in the periplasm.

From Nature