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Physiology (1,062)
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Lecture 2

Physiology Lecture 2.docx

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Department
Physiology
Course Code
Physiology 2130
Professor
Anita Woods

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Description
Physiology Lecture 2 – Cell Membrane  Function of the Cell Membrane o The composition of the interstitial fluid and plasma are approximately the same o The composition of intracellular and extracellular fluid are dramatically different o Differences are possible because the intracellular fluid is separated from the interstitial fluid by a cell membrane o Cell membrane is selectively permeable and contains transport mechanisms which favour the ion distribution o Important to maintain the ion gradients o Selective for different ions and molecules o Controls what goes in and out of cell  Structure o Fatty acid chains of the phospholipid are hydrophobic  Represent the major permeability barrier to water and wate
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