Cell Membrane
| Medical Definition: |
The lipid- and protein-containing, selectively permeable membrane that surrounds the cytoplasm in prokaryotic and eukaryotic cells. In most types of microbial cells it is bordered externally by the CELL WALL. (Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed) |
| Guide Notes: |
coord with specific cell /ultrastruct; permitted with micro-organisms |
Cell Membrane Categories.
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Cell Membrane Structures - Structures which are part of the CELL MEMBRANE or have cell membrane as a major part of their structure. |
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Intracellular Membranes - Membranes of subcellular structures. |
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Purple Membrane - Functionally and structurally differentiated, purple-pigmented regions of the cytoplasmic membrane of some strains of Halobacterium halobium. The membrane develops under anaerobic conditions and is made almost entirely of the purple pigment BACTERIORHODOPSINS. (From Singleton & Sainsbury Dictionary of Microbiology and Molecular Biology, 2d ed) |
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Sarcolemma - The excitable plasma membrane of a muscle cell. (Glick, Glossary of Biochemistry and Molecular Biology, 1990) |
Cell Membrane Medical Definitions and Terms
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