Each cell is surrounded by a cell membrane (plasma membrane) which both separates it and allows cells to interact with their environment. Within the cell membranes also form compartments (organelles) which allow specialization of functions within eukaryotic cells.
The basic structure of all membranes is similar, 2 lipid layers with embedded proteins and cholesterol.
This plasma membrane is also the barrier which bacteria and viruses have
devised many different methods to cross, in order to infect a cell.
Start by looking at the online textbooks. These links will give you an introduction to Membrane and some images.
Next- more detailed online resources introduce key steps in Membrane. Includes a link to a complete set of lecture slides on Membrane.
Then- look at the regulation of Membrane.
Includes links to review articles and animations.Search NLM Online Textbooks- "Membrane"
cell junctions, extracellular matrix, adhesion junctions, membranes, signaling, Membrane, Membrane, ligands
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This page gives an introduction to cellular membranes. Membranes have allowed compartments to form and allowed the development of complex molecules and biochemical reactions that characterise eukaryotic cells. Our understanding of these biological structures is still evolving with the recent dicovery of "lipid rafts".
Use the study guides or links to look for more information.
Please email Dr Mark Hill if you wish to make a comment about this current project.