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  2. Fences and pickets model of plasma membrane structure

    en.wikipedia.org/wiki/Fences_and_pickets_model...

    The movement of phospholipids, even those located in the outer leaflet of the membrane, is regulated by the actin-based membrane skeleton meshwork.Which is surprising, because the membrane skeleton is located on the cytoplasmic surface of the plasma membrane, and cannot directly interact with the phospholipids located in the outer leaflet of the plasma membrane.

  3. Membrane models - Wikipedia

    en.wikipedia.org/wiki/Membrane_models

    By the 1950s, cell biologists verified the existence of plasma membranes through the use of electron microscopy (which accounted for higher resolutions). J. David Robertson used this method to propose the unit membrane model. [4] Basically, he suggested that all cellular membranes share a similar underlying structure, the unit membrane. Using ...

  4. Cytoskeleton - Wikipedia

    en.wikipedia.org/wiki/Cytoskeleton

    Moreover, the mechanical properties of cells determine how far and where, directionally, a force will propagate throughout the cell and how it will change cell dynamics. [51] A membrane protein that is not closely coupled to the cytoskeleton, for instance, will not produce a significant effect on the cortical actin network if it is subjected to ...

  5. T-tubule - Wikipedia

    en.wikipedia.org/wiki/T-tubule

    T-tubules (transverse tubules) are extensions of the cell membrane that penetrate into the center of skeletal and cardiac muscle cells.With membranes that contain large concentrations of ion channels, transporters, and pumps, T-tubules permit rapid transmission of the action potential into the cell, and also play an important role in regulating cellular calcium concentration.

  6. Wikipedia:Featured picture candidates/Cell membrane ...

    en.wikipedia.org/.../Cell_membrane_(diagrammatic)

    adding value to article and other reasons as given in typical animal cell Articles this image appears in Cell membrane, Lipid bilayer Creator Mariana Ruiz. Support as nominator--Alokprasad84 08:06, 12 June 2008 (UTC) Comment Perfectionism alert. This is technically above average and a lot of work has clearly gone in, but the layout is cramped ...

  7. Fluid mosaic model - Wikipedia

    en.wikipedia.org/wiki/Fluid_mosaic_model

    Fluid mosaic model of a cell membrane. The fluid mosaic model explains various characteristics regarding the structure of functional cell membranes.According to this biological model, there is a lipid bilayer (two molecules thick layer consisting primarily of amphipathic phospholipids) in which protein molecules are embedded.

  8. Outline of human anatomy - Wikipedia

    en.wikipedia.org/wiki/Outline_of_human_anatomy

    Microscopic anatomy is the study of minute anatomical structures assisted with microscopes, and includes histology (the study of the organization of tissues), and cytology (the study of cells). The Anatomy Lesson of Dr. Nicolaes Tulp, by Rembrandt; depicts an anatomy demonstration using a cadaver.

  9. Sarcolemma - Wikipedia

    en.wikipedia.org/wiki/Sarcolemma

    The sarcolemma (sarco (from sarx) from Greek; flesh, and lemma from Greek; sheath), also called the myolemma, is the cell membrane surrounding a skeletal muscle fibre or a cardiomyocyte. [ 1 ] [ 2 ] It consists of a lipid bilayer and a thin outer coat of polysaccharide material ( glycocalyx ) that contacts the basement membrane .

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