Definition

The area located between the plasma membrane and the outer membrane of certain bacteria, which contains enzymes and a layer of peptidoglycan.

Example

In gram-negative bacteria, the periplasm plays a crucial role in nutrient processing and transport.

Conversation

Have you ever heard about the periplasm in bacteria?

Yeah, I think it's the space between the plasma membrane and the outer membrane.

Exactly! It's fascinating how it contains enzymes and peptidoglycan.

Right? It really shows how complex even the simplest organisms can be.

Synonyms & Antonyms

Root Explanation

Periplasm is formed from "peri-" (meaning around) and "plasma" (from Greek "plasma", meaning something molded or formed). The term refers to the space around the plasma membrane of a cell, indicating an area that surrounds or is adjacent to the membrane.

Memory Tip

Think of 'peri-' meaning 'around' and 'plasma' meaning 'formed substance' — this helps you remember that 'periplasm' refers to the area surrounding the cell's membrane.

Visually Confused Words