Cell membrane - Wikipedia
The cell membrane (also known as the plasma membrane or cytoplasmic membrane, and historically referred to as the plasmalemma) is a semipermeable biological membrane that …
Membrane | Definition, Structure, & Functions | Britannica
Membrane, in biology, the thin layer that forms the outer boundary of a living cell or of an internal cell compartment.
6.4: Channels and carriers - Biology LibreTexts
This page covers cellular membranes as selective barriers, detailing the role of proteins in molecular transport. It explains how carrier proteins bind to and transport specific hydrophilic …
Plasma Membrane (Cell Membrane) - National Human Genome ...
1 day ago · The plasma membrane, also called the cell membrane, is the membrane found in all cells that separates the interior of the cell from the outside environment. In bacterial and plant …
3.1 The Cell Membrane – Anatomy & Physiology 2e
This cell membrane provides a protective barrier around the cell and regulates which materials can pass in or out. Structure and Composition of the Cell Membrane The cell membrane is an …
Cell Membrane: Structure, Function, and Importance
Aug 3, 2025 · Though often overshadowed by more glamorous components like the nucleus or mitochondria, the cell membrane—also known as the plasma membrane—is nothing short of …
Cell Membrane: Its Structure and Key Functions
Jul 22, 2025 · Explore the cell membrane’s design, a dynamic structure that controls molecular passage, facilitates communication, and provides essential cellular support.