The cell membrane of the contractile unit

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The cell membrane was initially considered only as a barrier delimiting the cytoplasm from the extracellular environment but further research revealed that the cell membrane has a number of functions that are essential to the cell [1]. Structurally, the cell membrane is formed by a lipid bilayer (Fig. 3.1), with each of the two layers composed of molecules called phospholipids. The lipid component is, by definition, water-repellent, while the phosphate component is hydrophilic. The membrane is formed as the phosphate moves toward the outer surface of the cell, attracted by the aqueous environment, which the inwards-oriented lipids seek to escape. An additional and very important component of this double lipid structure consists of the membrane proteins.

Original languageEnglish
Title of host publicationCellular Physiology and Metabolism of Physical Exercise
PublisherSpringer-Verlag Italia s.r.l.
Pages17-21
Number of pages5
Volume9788847024182
ISBN (Print)9788847024182, 884702417X, 9788847024175
DOIs
Publication statusPublished - Aug 1 2012

ASJC Scopus subject areas

  • Medicine(all)

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  • Cite this

    Zerbini, G. (2012). The cell membrane of the contractile unit. In Cellular Physiology and Metabolism of Physical Exercise (Vol. 9788847024182, pp. 17-21). Springer-Verlag Italia s.r.l.. https://doi.org/10.1007/978-88-470-2418-2_3